TY - JOUR AU - Yu. B. Gaididei AU - È. G. Petrov TI - Theory of band and bound states of double triplet excitations in molecular crystals.~II JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1971 SP - 95 EP - 105 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1971_7_1_a10/ LA - ru ID - TMF_1971_7_1_a10 ER -