TY - JOUR AU - Z. Kowalski TI - A difference method for a non-linear parabolic differential equation without mixed derivatives JO - Annales Polonici Mathematici PY - 1968 SP - 167 EP - 177 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-20-2-167-177/ DO - 10.4064/ap-20-2-167-177 LA - en ID - 10_4064_ap_20_2_167_177 ER -