@article{DAN_1986_287_4_a6,
     author = {V. I. Khudyakov},
     title = {The problem of gas toroide expansion},
     journal = {Doklady Akademii Nauk},
     pages = {802--805},
     year = {1986},
     volume = {287},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_287_4_a6/}
}