@book{401383, title = {Diferenci\'alne rovnice}, series = {GDML\_Books}, publisher = {Slovensk\'e pedagogick\'e nakladate\v lstvo}, address = {Bratislava}, year = {1961}, language = {sk}, url = {http://dml.mathdoc.fr/item/401383} }
Borůvka, Otakar. Diferenciálne rovnice. GDML_Books (1961), http://gdmltest.u-ga.fr/item/401383/