Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1976__12_3_a0, author = {Ullrich, Milan}, title = {Ing. {Libor} {Kub\'at,} {CSc.}}, journal = {Kybernetika}, pages = {123--126}, publisher = {mathdoc}, volume = {12}, number = {3}, year = {1976}, zbl = {0325.01016}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/KYB_1976__12_3_a0/} }
Ullrich, Milan. Ing. Libor Kubát, CSc.. Kybernetika, Tome 12 (1976) no. 3, pp. 123-126. http://geodesic.mathdoc.fr/item/KYB_1976__12_3_a0/