@article{DAN_1982_262_1_a15,
     author = {Yu. A. Baurov and Yu. N. Babaev and V. K. Ablekov},
     title = {On the lack of uniqueness in the electromagnetic field propagation velocity},
     journal = {Doklady Akademii Nauk},
     pages = {68--70},
     publisher = {mathdoc},
     volume = {262},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_262_1_a15/}
}