@article{ZNSL_2004_317_a2,
     author = {N. M. Bogolyubov},
     title = {Spinor {Bose} condensate and  $\mathrm{su}(1,1)$ {Richardson} model},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {43--56},
     publisher = {mathdoc},
     volume = {317},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2004_317_a2/}
}