%0 Journal Article %A A. V. Popov %T Short-wave asymptotics of normal modes in a locally stratified medium %J Doklady Akademii Nauk %D 1976 %P 1322-1325 %V 230 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_230_6_a16/ %G ru %F DAN_1976_230_6_a16