TY - JOUR AU - K. A. Khaseinov TI - Solution of $n$th order linear differential equations with variable coefficients on the basis of a~generalized Kulikov formula JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1977 SP - 89 EP - 99 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1977_9_a11/ LA - ru ID - IVM_1977_9_a11 ER -