@article{TMF_1971_7_1_a10, author = {Yu. B. Gaididei and \`E. G. Petrov}, title = {Theory of band and bound states of double triplet excitations in molecular {crystals.~II}}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {95--105}, publisher = {mathdoc}, volume = {7}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1971_7_1_a10/} }