%0 Journal Article %A A. V. Deryabina %T A problem without initial conditions for strongly degenerate hyperbolic equations with increasing coefficients %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1987 %P 71-73 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1987_6_a16/ %G ru %F VMUMM_1987_6_a16