@article{DAN_1984_275_6_a29,
     author = {E. G. Tsitsishvili},
     title = {Natural birefringence of cubic crystals in the exciton part of spectrum},
     journal = {Doklady Akademii Nauk},
     pages = {1404--1407},
     publisher = {mathdoc},
     volume = {275},
     number = {6},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_275_6_a29/}
}