Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{KYB_1968__4_5_a10, title = {Zpr\'avy}, journal = {Kybernetika}, pages = {502--504}, publisher = {mathdoc}, volume = {04}, number = {5}, year = {1968}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/KYB_1968__4_5_a10/} }
Zprávy. Kybernetika, Tome 04 (1968) no. 5, pp. 502-504. http://geodesic.mathdoc.fr/item/KYB_1968__4_5_a10/