Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1955__5_4_a1, author = {Ma\v{s}ek, Vladim{\'\i}r}, title = {O plo\v{s}e napln\v{e}n\'e ohnisky parabol na eliptick\'em paraboloidu}, journal = {Mathematica slovaca}, pages = {212--215}, publisher = {mathdoc}, volume = {05}, number = {4}, year = {1955}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/MASLO_1955__5_4_a1/} }
Mašek, Vladimír. O ploše naplněné ohnisky parabol na eliptickém paraboloidu. Mathematica slovaca, Tome 05 (1955) no. 4, pp. 212-215. http://geodesic.mathdoc.fr/item/MASLO_1955__5_4_a1/