@article{DAN_1982_263_3_a21,
     author = {O. V. Pikichyan},
     title = {The determination of the radiation field in a composite medium if the solutions},
     journal = {Doklady Akademii Nauk},
     pages = {601--606},
     year = {1982},
     volume = {263},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_3_a21/}
}