@article{DAN_1986_288_6_a10,
     author = {A. N. Dremin and I. E. Khorev and V. A. Gorel'skii and N. T. Yugov},
     title = {The numerical investigation of three-dimensional},
     journal = {Doklady Akademii Nauk},
     pages = {1331--1334},
     year = {1986},
     volume = {288},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_288_6_a10/}
}