TY - JOUR AU - Yu. P. Apakov TI - About three-dimensional analogue of the problem of Tricomi with parallel planes of extinction JO - Vestnik KRAUNC. Fiziko-matematičeskie nauki PY - 2018 SP - 6 EP - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VKAM_2018_1_a0/ LA - ru ID - VKAM_2018_1_a0 ER -