@inbook{402997,
title = {\'Uvod},
booktitle = {Spojnicov\'e nomogramy},
series = {GDML\_Books},
publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u},
address = {Praha},
year = {1941},
pages = {7-8},
url = {http://dml.mathdoc.fr/item/402997}
}
(éd.). Úvod, dans Spojnicové nomogramy, GDML_Books, (1941), pp. 7-8. http://gdmltest.u-ga.fr/item/402997/