TY - JOUR AU - M. B. Tabanov TI - Concentrated eigenoscillations in a periodic waveguide with weakly JO - Doklady Akademii Nauk PY - 1987 SP - 71 EP - 75 VL - 297 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a16/ LA - ru ID - DAN_1987_297_1_a16 ER -