Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{KYB_1981__17_6_a9, title = {Zpr\'avy}, journal = {Kybernetika}, pages = {570--572}, publisher = {mathdoc}, volume = {17}, number = {6}, year = {1981}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/KYB_1981__17_6_a9/} }
Zprávy. Kybernetika, Tome 17 (1981) no. 6, pp. 570-572. http://geodesic.mathdoc.fr/item/KYB_1981__17_6_a9/