@incollection{401611,
title = {Biracion\'alne transform\'acie 1860 - 1960},
booktitle = {Matematika v prom\v en\'ach v\v ek\r u. I},
series = {GDML\_Books},
publisher = {Prometheus},
address = {Praha},
year = {1998},
pages = {79-98},
language = {sk},
url = {http://dml.mathdoc.fr/item/401611}
}
Čižmár, Jan. Biracionálne transformácie 1860 - 1960, dans Matematika v proměnách věků. I, GDML_Books, (1998), pp. 79-98. http://gdmltest.u-ga.fr/item/401611/