TY - JOUR AU - Bass, D. W. TI - Topologically Versal Deformations of Matrices; Codimension at most Two JO - Canadian journal of mathematics PY - 1981 SP - 168 EP - 180 VL - 33 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-015-2/ DO - 10.4153/CJM-1981-015-2 ID - 10_4153_CJM_1981_015_2 ER -