%0 Journal Article %A A. S. Starkov %T Asymptotic solution of a~two scales problem of wave-propagation with a~local degeneration point %J Zapiski Nauchnykh Seminarov POMI %D 1979 %P 275-285 %V 89 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1979_89_a20/ %G ru %F ZNSL_1979_89_a20