@article{TMF_1973_14_3_a10, author = {V. P. Yatsishin}, title = {A model {Hamiltonian} of the {BCS} type for a {Bose} gas}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {400--411}, publisher = {mathdoc}, volume = {14}, number = {3}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1973_14_3_a10/} }