%0 Journal Article %A P. E. Krasnushkin %T Expansions in normal waves as represented by line integrals %J Doklady Akademii Nauk %D 1969 %P 1014-1017 %V 185 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_185_5_a11/ %G ru %F DAN_1969_185_5_a11