TY - JOUR AU - S. V. Mayorauskaya TI - Reflecting function and solution-periodicity of an nonautonomous cubic system JO - Problemy fiziki, matematiki i tehniki PY - 2012 SP - 92 EP - 93 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2012_1_a15/ LA - ru ID - PFMT_2012_1_a15 ER -