TY - JOUR AU - Barbara Zubik-Kowal TI - On First Order Partial Differential-Functional Inequalities JO - Mathematica balkanica PY - 1992 SP - 75 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1992_6_1_a5/ ID - MABA_1992_6_1_a5 ER -