@article{DAN_1990_313_2_a12,
     author = {V. A. Borovikov},
     title = {Asymptotics, as $t\to\infty$, of the {Green} function for the},
     journal = {Doklady Akademii Nauk},
     pages = {313--316},
     publisher = {mathdoc},
     volume = {313},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_2_a12/}
}