@article{DAN_1972_204_4_a18,
     author = {M. B. Gokhberg and V. I. Karpman and O. A. Pokhotelov},
     title = {On the nonlinear theory of evolution of {Pc-I-type} geomagnetic pulsation},
     journal = {Doklady Akademii Nauk},
     pages = {848--850},
     publisher = {mathdoc},
     volume = {204},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_204_4_a18/}
}