@article{10_21136_CPMF_1946_122826,
     author = {Kr\v{n}an, Franti\v{s}ek},
     title = {Methodick\'e pozn\'amky k rovnic{\'\i}m $2$. stupn\v{e}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {75--D81},
     year = {1946},
     volume = {71},
     number = {Suppl.},
     doi = {10.21136/CPMF.1946.122826},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1946.122826/}
}