@article{PMFA_1966__11_4_a3,
     author = {\v{Z}\'a\v{c}kov\'a, Jaroslava},
     title = {Probl\'em kvadratury kruhu a {Lambert\r{u}v} d\r{u}kaz iracionality \v{c}{\'\i}sla $pi$},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {240--250},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {1966},
     zbl = {0192.01403},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1966__11_4_a3/}
}