@inbook{402865,
title = {\'Uvod},
booktitle = {Neur\v cit\'e rovnice},
series = {GDML\_Books},
publisher = {Jednota \v ceskoslovensk\'ych matematik\r u a fyzik\r u},
address = {Praha},
year = {1949},
pages = {3-3},
url = {http://dml.mathdoc.fr/item/402865}
}
(éd.). Úvod, dans Neurčité rovnice, GDML_Books, (1949), p. 3. http://gdmltest.u-ga.fr/item/402865/