Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1972__17_2_a0, author = {P\'at\'y, Libor}, title = {Jednota dnes a z{\'\i}tra}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {57--60}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {1972}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1972__17_2_a0/} }
Pátý, Libor. Jednota dnes a zítra. Pokroky matematiky, fyziky a astronomie, Tome 17 (1972) no. 2, pp. 57-60. http://geodesic.mathdoc.fr/item/PMFA_1972__17_2_a0/