TY  - JOUR
AU  - Jeffries, Clark
AU  - Klee, Victor
AU  - Driessche, Pauline Van Den
TI  - When is a Matrix Sign Stable?
JO  - Canadian journal of mathematics
PY  - 1977
SP  - 315
EP  - 326
VL  - 29
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-035-3/
DO  - 10.4153/CJM-1977-035-3
ID  - 10_4153_CJM_1977_035_3
ER  -