@article{DAN_1977_236_4_a7,
     author = {B. V. Fedosov and M. A. Shubin},
     title = {On the index of random elliptic operators and families of them},
     journal = {Doklady Akademii Nauk},
     pages = {812--815},
     publisher = {mathdoc},
     volume = {236},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_4_a7/}
}