%0 Journal Article %A M. M. Meredov %A N. I. Samedov %T A boundary value problem for a fourth-order quasilinear equation of mixed type %J Differencialʹnye uravneniâ %D 1979 %P 92-95 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_1_a11/ %G ru %F DE_1979_15_1_a11