@article{DAN_1962_144_4_a14,
     author = {V. K. Mel'nikov},
     title = {Lines of force of a magnetic field},
     journal = {Doklady Akademii Nauk},
     pages = {747--750},
     year = {1962},
     volume = {144},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_4_a14/}
}