@article{DAN_1980_254_2_a15,
     author = {V. S. Zenkov and I. I. Kalinnikov and M. I. Nyunin},
     title = {Operative forecast of strong earthquakes},
     journal = {Doklady Akademii Nauk},
     pages = {325--327},
     publisher = {mathdoc},
     volume = {254},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_2_a15/}
}