@article{DAN_1989_309_3_a19,
     author = {A. A. Fomin},
     title = {Diffraction by a finite plane system of ideally conducting},
     journal = {Doklady Akademii Nauk},
     pages = {598--602},
     publisher = {mathdoc},
     volume = {309},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_309_3_a19/}
}