TY  - JOUR
AU  - Zaidman, S.
TI  - A Convexity Result for Weak Differential Inequalities
JO  - Canadian mathematical bulletin
PY  - 1976
SP  - 235
EP  - 244
VL  - 19
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1976-037-4/
DO  - 10.4153/CMB-1976-037-4
ID  - 10_4153_CMB_1976_037_4
ER  -