TY - JOUR AU - Z. Kowalski TI - A difference method for the non-linear partial differential equation of the first order JO - Annales Polonici Mathematici PY - 1966 SP - 235 EP - 242 VL - 18 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-18-3-235-242/ DO - 10.4064/ap-18-3-235-242 LA - en ID - 10_4064_ap_18_3_235_242 ER -