@article{DAN_1962_144_2_a12,
     author = {N. A. Potapkov},
     title = {The hamiltonian of an uniaxial ferromagnetic},
     journal = {Doklady Akademii Nauk},
     pages = {297--299},
     publisher = {mathdoc},
     volume = {144},
     number = {2},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a12/}
}