@article{DAN_1971_198_4_a19,
     author = {G. I. Aksenovich and R. M. Galperina and E. I. Galperin and I. L. Nersesov},
     title = {Experience and results of stationary seismological observations in deep well},
     journal = {Doklady Akademii Nauk},
     pages = {813--815},
     publisher = {mathdoc},
     volume = {198},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_198_4_a19/}
}