TY - JOUR AU - E. I. Kaikina AU - P. I. Naumkin AU - I. A. Shishmarev TI - Asymptotic expansion of solutions to the periodic problem for a~non-linear Sobolev-type equation JO - Izvestiya. Mathematics PY - 2013 SP - 313 EP - 324 VL - 77 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2013_77_2_a3/ LA - en ID - IM2_2013_77_2_a3 ER -