TY - JOUR AU - V. P. Derevenskii TI - Trigonometric solutions of nonlinear first-order ordinary differential equations over a~Banach algebra JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2011 SP - 30 EP - 43 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2011_9_a3/ LA - ru ID - IVM_2011_9_a3 ER -