@article{DAN_1963_151_3_a19,
     author = {N. A. Potapkov},
     title = {Magnetic anisotropy of uniaxial ferromagnetics},
     journal = {Doklady Akademii Nauk},
     pages = {543--545},
     publisher = {mathdoc},
     volume = {151},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_3_a19/}
}