TY - JOUR AU - I. G. Mamedov TI - Nonclassical Analog of the Goursat Problem for a Three-Dimensional Equation with Highest Derivative JO - Matematičeskie zametki PY - 2014 SP - 251 EP - 260 VL - 96 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2014_96_2_a9/ LA - ru ID - MZM_2014_96_2_a9 ER -