@article{DAN_1978_243_1_a17,
     author = {L. B. Cvik},
     title = {The principle of alternating continuity in solving by parts the problems of field theory},
     journal = {Doklady Akademii Nauk},
     pages = {74--77},
     publisher = {mathdoc},
     volume = {243},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_1_a17/}
}