TY - JOUR AU - A. S. Alexandrov TI - Heavy bosons in narrow band crystals with strong electron-phonon interaction JO - Doklady Akademii Nauk PY - 1987 SP - 835 EP - 839 VL - 293 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_293_4_a15/ LA - ru ID - DAN_1987_293_4_a15 ER -