@article{DAN_1990_311_5_a20,
     author = {A. S. Andrenko and A. I. Nosich and V. P. Shestopalov},
     title = {Reciprocity theorem in problems of the scattering of waves by},
     journal = {Doklady Akademii Nauk},
     pages = {1110--1115},
     publisher = {mathdoc},
     volume = {311},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_311_5_a20/}
}