@article{DAN_1988_301_2_a13,
     author = {P. P. Firstov and B. A. Trubnikov},
     title = {Nonlinear oscillations in the mouth of {Kliuchevsky} {Volcano}},
     journal = {Doklady Akademii Nauk},
     pages = {314--317},
     publisher = {mathdoc},
     volume = {301},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_301_2_a13/}
}