@article{AA_1993_5_1_a3,
     author = {M. Sh. Birman and M. Z. Solomyak},
     title = {Principal singularities of the electric component of an electromagnetic field in regions with screens},
     journal = {Algebra i analiz},
     pages = {143--159},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1993_5_1_a3/}
}