TY - JOUR AU - S. Brzychczy TI - Some theorems on second order partial differential inequalities of parabolic type JO - Annales Polonici Mathematici PY - 1964 SP - 143 EP - 151 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-15-2-143-151/ DO - 10.4064/ap-15-2-143-151 LA - en ID - 10_4064_ap_15_2_143_151 ER -