TY - JOUR AU - M. G. Yumagulov TI - Expansion of a periodic Green function of equations with JO - Doklady Akademii Nauk PY - 1993 SP - 406 EP - 408 VL - 331 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1993_331_4_a5/ LA - ru ID - DAN_1993_331_4_a5 ER -