The Probability of Large Diagonal Elements in the QR Factorization. - Leslie V. Foster (SIAM J. Sci. Comput., 1990)

Gaussian Elimination with Partial Pivoting Can Fail in Practice. - Leslie V. Foster (SIAM J. Matrix Anal. Appl., 1994)

Solving Rank-Deficient and Ill-posed Problems Using UTV and QR Factorizations. - Leslie V. Foster (SIAM J. Matrix Anal. Appl., 2003)

Algorithm 933: Reliable calculation of numerical rank, null space bases, pseudoinverse solutions, and basic solutions using suitesparseQR. - Leslie V. Foster; Timothy A. Davis 001 (ACM Trans. Math. Softw., 2013)