@article{DAN_1974_214_4_a16,
     author = {K. K. Zapol'skii},
     title = {Frequency-time interpretation of $m_{PV}$ magnitude as exemplified by {Moneronian} earthquake of {September} 7, 1971},
     journal = {Doklady Akademii Nauk},
     pages = {796--799},
     publisher = {mathdoc},
     volume = {214},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_4_a16/}
}