@article{RSMUP_1961__31__77_0, author = {Florian, August}, title = {Ueberdeckung der Ebene durch Kreise}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {31}, year = {1961}, pages = {77-86}, mrnumber = {133739}, zbl = {0121.39102}, language = {de}, url = {http://dml.mathdoc.fr/item/RSMUP_1961__31__77_0} }
Florian, August. Ueberdeckung der Ebene durch Kreise. Rendiconti del Seminario Matematico della Università di Padova, Tome 31 (1961) pp. 77-86. http://gdmltest.u-ga.fr/item/RSMUP_1961__31__77_0/