TY - JOUR AU - P. Besala TI - Comparison theorems for purely non-linear parabolic differential operators JO - Annales Polonici Mathematici PY - 1983 SP - 5 EP - 15 VL - 42 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-42-1-5-15/ DO - 10.4064/ap-42-1-5-15 LA - en ID - 10_4064_ap_42_1_5_15 ER -