@article{DAN_1981_256_6_a15,
     author = {S. S. Vinogradov and Yu. A. Tuchkin and V. P. Shestopalov},
     title = {On the theory of wave scattering on unclosed screens of spherical form},
     journal = {Doklady Akademii Nauk},
     pages = {1346--1350},
     publisher = {mathdoc},
     volume = {256},
     number = {6},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_6_a15/}
}