Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1956__6_4_a1, author = {Zezula, Jarom{\'\i}r}, title = {Metrick\'a charakterisace zborcen\'e plochy s fleknod\'aln{\'\i} \v{c}arou nevlastn{\'\i}}, journal = {Mathematica slovaca}, pages = {205--207}, publisher = {mathdoc}, volume = {06}, number = {4}, year = {1956}, mrnumber = {0091492}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/MASLO_1956__6_4_a1/} }
Zezula, Jaromír. Metrická charakterisace zborcené plochy s fleknodální čarou nevlastní. Mathematica slovaca, Tome 06 (1956) no. 4, pp. 205-207. http://geodesic.mathdoc.fr/item/MASLO_1956__6_4_a1/