TY - JOUR AU - Yu. M. Krikunov TI - The Tricomi problem for a certain special case of the equation $K(y)u_{xx}+u_{yy}=0$ JO - Trudy seminara po kraevym zadačam PY - 1967 SP - 75 EP - 89 VL - 4 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1967_4_4_a10/ LA - ru ID - KUKZ_1967_4_4_a10 ER -