TY - JOUR AU - M. N. Feller TI - Boundary-Value Problems for a Nonlinear Hyperbolic Equation with Variable Coefficients and the L\'evy Laplacian.~II JO - Matematičeskie zametki PY - 2015 SP - 917 EP - 924 VL - 97 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2015_97_6_a8/ LA - ru ID - MZM_2015_97_6_a8 ER -