Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1975__20_6_a3, author = {Pu\v{s}\v{c}arovskij, D. J.}, title = {Tajemstv{\'\i} krystal\r{u}}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {320--331}, publisher = {mathdoc}, volume = {20}, number = {6}, year = {1975}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1975__20_6_a3/} }
Puščarovskij, D. J. Tajemství krystalů. Pokroky matematiky, fyziky a astronomie, Tome 20 (1975) no. 6, pp. 320-331. http://geodesic.mathdoc.fr/item/PMFA_1975__20_6_a3/