@article{UM_2005_13_1_a0, author = {L\'en\'art, Istv\'an}, title = {Projekt {\quotedblbase}srovn\'avac{\'\i} geometrieā€Ÿ (rovina - sf\'era - hemisf\'era) [1]}, journal = {U\v{c}itel matematiky}, pages = {1--8}, year = {2005}, volume = {13}, number = {1}, language = {cs}, url = {http://geodesic.mathdoc.fr/item/UM_2005_13_1_a0/} }