@article{DAN_1962_143_6_a19,
     author = {N. K. Bel'skii},
     title = {Anomalous dispersion of the birefringence in europium chloride hexahydrate crystals},
     journal = {Doklady Akademii Nauk},
     pages = {1313--1316},
     publisher = {mathdoc},
     volume = {143},
     number = {6},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_143_6_a19/}
}