@article{DAN_1980_250_2_a15,
     author = {M. B. Gokhberg and I. L. Gufel'd and I. P. Dobrovol'skii},
     title = {Sources of electromagnetic earthquake precursors},
     journal = {Doklady Akademii Nauk},
     pages = {323--326},
     publisher = {mathdoc},
     volume = {250},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_2_a15/}
}