Joint Analysis of BICEP2/*Keck Array* and *Planck* DataPAR Ade, N Aghanim, Z Ahmed, RW Aikin, KD Alexander, M Arnaud, ... Physical review letters 114 (10), 101301, 2015 | 753 | 2015 |

Planck early results. VIII. The all-sky early Sunyaev-Zeldovich cluster sample PAR Ade, N Aghanim, M Arnaud, M Ashdown, J Aumont, C Baccigalupi, ... Astronomy & Astrophysics 536, A8, 2011 | 430 | 2011 |

Planck early results. VII. The early release compact source catalogue PAR Ade, N Aghanim, M Arnaud, M Ashdown, J Aumont, C Baccigalupi, ... Astronomy & Astrophysics 536, A7, 2011 | 295 | 2011 |

Planck early results. XXV. Thermal dust in nearby molecular clouds A Abergel, PAR Ade, N Aghanim, M Arnaud, M Ashdown, J Aumont, ... Astronomy & Astrophysics 536, A25, 2011 | 226 | 2011 |

Approximate Gauss–Newton methods for nonlinear least squares problems S Gratton, AS Lawless, NK Nichols SIAM Journal on Optimization 18 (1), 106-132, 2007 | 201 | 2007 |

Recursive trust-region methods for multiscale nonlinear optimization S Gratton, A Sartenaer, PL Toint SIAM Journal on Optimization 19 (1), 414-444, 2008 | 198 | 2008 |

Algorithm 842: A set of GMRES routines for real and complex arithmetics on high performance computers V Frayssé, L Giraud, S Gratton, J Langou ACM Transactions on Mathematical Software (TOMS) 31 (2), 228-238, 2005 | 194 | 2005 |

Algorithm 842: A set of GMRES routines for real and complex arithmetics on high performance computers V Frayssé, L Giraud, S Gratton, J Langou ACM Transactions on Mathematical Software (TOMS) 31 (2), 228-238, 2005 | 182 | 2005 |

Planck early results. XXII. The submillimetre properties of a sample of Galactic cold clumps PAR Ade, N Aghanim, M Arnaud, M Ashdown, J Aumont, C Baccigalupi, ... Astronomy & Astrophysics 536, A22, 2011 | 118 | 2011 |

Planck early results. XXI. Properties of the interstellar medium in the Galactic plane A Abergel, PAR Ade, N Aghanim, M Arnaud, M Ashdown, J Aumont, ... Astronomy & Astrophysics 536, A21, 2011 | 112 | 2011 |

Planck early results. XII. Cluster Sunyaev-Zeldovich optical scaling relations N Aghanim, M Arnaud, M Ashdown, J Aumont, C Baccigalupi, A Balbi, ... Astronomy & Astrophysics 536, A12, 2011 | 98 | 2011 |

An investigation of incremental 4D‐Var using non‐tangent linear models AS Lawless, S Gratton, NK Nichols Quarterly Journal of the Royal Meteorological Society: A journal of the …, 2005 | 85 | 2005 |

Limited‐memory preconditioners, with application to incremental four‐dimensional variational data assimilation J Tshimanga, S Gratton, AT Weaver, A Sartenaer Quarterly Journal of the Royal Meteorological Society: A journal of the …, 2008 | 76 | 2008 |

Planck early results. XXIV. Dust in the diffuse interstellar medium and the Galactic halo A Abergel, PAR Ade, N Aghanim, M Arnaud, M Ashdown, J Aumont, ... Astronomy & Astrophysics 536, A24, 2011 | 71 | 2011 |

Flexible GMRES with deflated restarting L Giraud, S Gratton, X Pinel, X Vasseur SIAM Journal on Scientific Computing 32 (4), 1858-1878, 2010 | 65 | 2010 |

On the condition number of linear least squares problems in a weighted Frobenius norm S Gratton BIT Numerical Mathematics 36 (3), 523-530, 1996 | 62 | 1996 |

Planck early results. XI. Calibration of the local galaxy cluster Sunyaev-Zeldovich scaling relations PAR Ade, N Aghanim, M Arnaud, M Ashdown, J Aumont, C Baccigalupi, ... Astronomy & Astrophysics 536, A11, 2011 | 61 | 2011 |

A set of GMRES routines for real and complex arithmetics V Frayssé, L Giraud, S Gratton, J Langou URL http://www. cerfacs. fr/algor/Softs/GMRES/index. html, 1997 | 59 | 1997 |

Planck 2013 results. XIX. The integrated Sachs-Wolfe effect PAR Ade, N Aghanim, C Armitage-Caplan, M Arnaud, M Ashdown, ... Astronomy & Astrophysics 571, A19, 2014 | 58 | 2014 |

A recursive -trust-region method for bound-constrained nonlinear optimization S Gratton, M Mouffe, PL Toint, M Weber-Mendonça IMA Journal of Numerical Analysis 28 (4), 827-861, 2008 | 57 | 2008 |