%0 Journal Article %A N. Ya. Kirpichnikova %A M. M. Popov %T Computation of the second term of the ray method series in two and a~half dimension %J Zapiski Nauchnykh Seminarov POMI %D 1994 %P 94-108 %V 210 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1994_210_a8/ %G ru %F ZNSL_1994_210_a8