%0 Journal Article %A S. A. Gabov %A B. B. Orazov %A A. G. Sveshnikov %T A fourth-order evolution equation encountered in underwater acoustics of a stratified fluid %J Differencialʹnye uravneniâ %D 1986 %P 19-25 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_1_a2/ %G ru %F DE_1986_22_1_a2