@article{DAN_1983_271_6_a22,
     author = {F. I. Fedorov},
     title = {Deviation of a light beam, refracted in an absorbing (enhancing) isotropic medium,
},
     journal = {Doklady Akademii Nauk},
     pages = {1373--1376},
     publisher = {mathdoc},
     volume = {271},
     number = {6},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_271_6_a22/}
}