The Schur Complement Interlacing Theorem. - Shu-An Hu; Ronald L. Smith (SIAM J. Matrix Anal. Appl., 1995)

Printer MIB. - Ronald L. Smith; F. D. Wright; Thomas N. Hastings; Stephen N. Zilles; Joel H. Gyllenskog (RFC, 1995)

Intervals of Inverse M-Matrices. - Charles R. Johnson; Ronald L. Smith (Reliab. Comput., 2002)

Path Product Matrices and Eventually Inverse M-matrices. - Charles R. Johnson; Ronald L. Smith (SIAM J. Matrix Anal. Appl., 2007)