@article{DAN_1984_278_1_a3,
     author = {I. I. Gikhman},
     title = {Two-parameter fields of diffusion type},
     journal = {Doklady Akademii Nauk},
     pages = {20--23},
     year = {1984},
     volume = {278},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_278_1_a3/}
}