@article{DAN_1990_311_1_a13,
     author = {V. F. Kravchenko and V. L. Rvachev and T. I. Sheiko},
     title = {A method for constructing new structures of solution of exterior},
     journal = {Doklady Akademii Nauk},
     pages = {67--71},
     publisher = {mathdoc},
     volume = {311},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_311_1_a13/}
}