TY - JOUR AU - M. A. Kovalevskii TI - An integral representation of solutions and the problem of coupling factors for a~linear differential equation JO - Zapiski Nauchnykh Seminarov POMI PY - 1984 SP - 88 EP - 104 VL - 140 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1984_140_a8/ LA - ru ID - ZNSL_1984_140_a8 ER -