Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1980_253_5_a23, author = {I. I. Plyusnina}, title = {Modification transformations and the crystallinity of quartz and chalcedony}, journal = {Doklady Akademii Nauk}, pages = {1126--1129}, publisher = {mathdoc}, volume = {253}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_253_5_a23/} }
I. I. Plyusnina. Modification transformations and the crystallinity of quartz and chalcedony. Doklady Akademii Nauk, Tome 253 (1980) no. 5, pp. 1126-1129. http://geodesic.mathdoc.fr/item/DAN_1980_253_5_a23/