@article{DAN_1980_252_1_a17,
     author = {G. A. Sobolev and A. D. Zavyalov},
     title = {On a concentration criterion of seismogenic faults},
     journal = {Doklady Akademii Nauk},
     pages = {69--71},
     publisher = {mathdoc},
     volume = {252},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_1_a17/}
}