%0 Journal Article %A M. Ya. Ovchinnikova %T Integral representation of the classical $S$ matrix and construction of new uniform approximations %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 364-374 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_22_3_a8/ %G ru %F TMF_1975_22_3_a8