TY - JOUR AU - V. M. Madorskiǐ AU - V. V. Morozov TI - Localization of solutions of nonlinear periodic systems JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1985 SP - 19 EP - 22 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1985_12_a3/ LA - ru ID - IVM_1985_12_a3 ER -