TY - JOUR AU - M. Garcia AU - M. Magret AU - S. Tarragona TI - A criterion for structural stability of quadruples of matrices related to singular linear systems JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2005 SP - 49 EP - 56 VL - 11 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2005_11_3_a2/ LA - ru ID - FPM_2005_11_3_a2 ER -