@article{DAN_1984_277_2_a0,
     author = {K. I. Babenko and V. J. Petrovich},
     title = {Demonstrative calculations in the problem of existence of the},
     journal = {Doklady Akademii Nauk},
     pages = {265--269},
     year = {1984},
     volume = {277},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_277_2_a0/}
}