@book{402875, title = {Pythagorova v\v eta}, series = {GDML\_Books}, publisher = {Jednota \v ceskoslovensk\'ych matematik\r u a fyzik\r u}, address = {Praha}, year = {1949}, language = {cs}, url = {http://dml.mathdoc.fr/item/402875} }
Horák, Stanislav. Pythagorova věta. GDML_Books (1949), http://gdmltest.u-ga.fr/item/402875/