%0 Journal Article %A M. A. Kovalevskii %T An integral representation of solutions and the problem of coupling factors for a~linear differential equation %J Zapiski Nauchnykh Seminarov POMI %D 1984 %P 88-104 %V 140 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1984_140_a8/ %G ru %F ZNSL_1984_140_a8