@article{DAN_1958_119_4_a12,
     author = {I. A. Kvasnikov},
     title = {The application of the variation principle to the superconduction theory},
     journal = {Doklady Akademii Nauk},
     pages = {675--677},
     publisher = {mathdoc},
     volume = {119},
     number = {4},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_4_a12/}
}