@article{DAN_1958_119_3_a19,
     author = {I. A. Kvasnikov},
     title = {The use of the variation principle in the new method of the superconduction theory},
     journal = {Doklady Akademii Nauk},
     pages = {475--477},
     publisher = {mathdoc},
     volume = {119},
     number = {3},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_3_a19/}
}