On A Class of Limited Memory Preconditioners For Large Scale Linear Systems With Multiple Right-Hand Sides. - Serge Gratton; Annick Sartenaer; Jean Tshimanga Ilunga (SIAM J. Optim., 2011)

Range-Space Variants and Inexact Matrix-Vector Products in Krylov Solvers for Linear Systems Arising from Inverse Problems. - Serge Gratton; Philippe L. Toint; Jean Tshimanga Ilunga (SIAM J. Matrix Anal. Appl., 2011)

Sensitivity and Conditioning of the Truncated Total Least Squares Solution. - Serge Gratton; David Titley-Péloquin; Jean Tshimanga Ilunga (SIAM J. Matrix Anal. Appl., 2013)

The Exact Condition Number of the Truncated Singular Value Solution of a Linear Ill-Posed Problem. - El Houcine Bergou; Serge Gratton; Jean Tshimanga Ilunga (SIAM J. Matrix Anal. Appl., 2014)

Differentiating the Method of Conjugate Gradients. - Serge Gratton; David Titley-Péloquin; Philippe L. Toint; Jean Tshimanga Ilunga (SIAM J. Matrix Anal. Appl., 2014)

On a second-order expansion of the truncated singular subspace decomposition. - Serge Gratton; Jean Tshimanga Ilunga (Numer. Linear Algebra Appl., 2016)