Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1966__16_4_a2, author = {Jucovi\v{c}, Ernest and Le\v{s}o, J\'an}, title = {Eine {Bemerkung} zur {\"Uberdeckung} der {Ebene} durch inkongruente {Kreise}}, journal = {Mathematica slovaca}, pages = {324--328}, publisher = {mathdoc}, volume = {16}, number = {4}, year = {1966}, mrnumber = {0215195}, zbl = {0147.41105}, language = {ge}, url = {http://geodesic.mathdoc.fr/item/MASLO_1966__16_4_a2/} }
Jucovič, Ernest; Lešo, Ján. Eine Bemerkung zur Überdeckung der Ebene durch inkongruente Kreise. Mathematica slovaca, Tome 16 (1966) no. 4, pp. 324-328. http://geodesic.mathdoc.fr/item/MASLO_1966__16_4_a2/