@article{UM_2005__13_2_a2,
     author = {L\'en\'art, Istv\'an},
     title = {Projekt {\quotedblbase}srovn\'avac{\'\i} geometrie{\textquotedblright} (rovina - sf\'era - hemisf\'era) (2)},
     journal = {U\v{c}itel matematiky},
     pages = {75--83},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2005},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2005__13_2_a2/}
}