@article{ZNSL_1991_189_a10,
     author = {V. N. Popov},
     title = {Antiferromagnetism, ferromagnetism and superconductivity in the {Hubbard} model with repulsion},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {153--180},
     year = {1991},
     volume = {189},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_189_a10/}
}