@article{DAN_1981_257_2_a12,
     author = {O. E. Den and M. M. Molodenskii and B. P. Filippov},
     title = {Solar flare ejection from the $H_\alpha$ film},
     journal = {Doklady Akademii Nauk},
     pages = {305--309},
     publisher = {mathdoc},
     volume = {257},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_2_a12/}
}