TY  - JOUR
AU  - A. Pliś
TI  - On difference inequalities corresponding to partial differential inequalities of the first order
JO  - Annales Polonici Mathematici
PY  - 1968
SP  - 179
EP  - 181
VL  - 20
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-20-2-179-181/
DO  - 10.4064/ap-20-2-179-181
LA  - en
ID  - 10_4064_ap_20_2_179_181
ER  -