@article{AA_1989_1_1_a2,
     author = {M. Sh. Birman and M. Z. Solomyak},
     title = {The selfadjoint {Maxwell} operator in arbitrary domains},
     journal = {Algebra i analiz},
     pages = {96--110},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1989_1_1_a2/}
}