@inbook{402928,
title = {4. Pr\r use\v cn\'a methoda. Pomocn\'e konstrukce},
booktitle = {Perspektiva},
series = {GDML\_Books},
publisher = {P\v r\'\i rodov\v edeck\'e nakladatelstv\'\i },
address = {Praha},
year = {1951},
pages = {37-47},
url = {http://dml.mathdoc.fr/item/402928}
}
(éd.). 4. Průsečná methoda. Pomocné konstrukce, dans Perspektiva, GDML_Books, (1951), pp. 37-47. http://gdmltest.u-ga.fr/item/402928/