TY - JOUR AU - V. M. Kirzhner TI - A criterion for the representability of a matrix in the form of a product of a lower-triangular and an upper-trianglar matrix JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1965 VL - 20 IS - 6 UR - http://geodesic.mathdoc.fr/item/RM_1965_20_6_a17/ LA - ru ID - RM_1965_20_6_a17 ER -