TY - JOUR AU - Nguyen van Hieu AU - Nguyen ai Viet TI - Three-branche excitonic polaritons in direct band gap cubic JO - Doklady Akademii Nauk PY - 1989 SP - 608 EP - 610 VL - 305 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_305_3_a22/ LA - ru ID - DAN_1989_305_3_a22 ER -