TY - JOUR AU - K. Orlov TI - The different solutions of the partial differential equations and the comparing of them JO - Matematic̀Œki vesnik PY - 1978 SP - 179 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/item/MV_1978_30_1_a24/ ID - MV_1978_30_1_a24 ER -