TY - JOUR AU - A. V. Deryabina TI - A problem without initial conditions for strongly degenerate hyperbolic equations with increasing coefficients JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1987 SP - 71 EP - 73 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1987_6_a16/ LA - ru ID - VMUMM_1987_6_a16 ER -