@article{DAN_1993_333_3_a14,
     author = {A. B. Shvartsburg},
     title = {Non-sine electromagnetic waves in plasma},
     journal = {Doklady Akademii Nauk},
     pages = {324--326},
     publisher = {mathdoc},
     volume = {333},
     number = {3},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_3_a14/}
}