@inbook{402724, title = {Jednorozm\v ern\'y \'utvar neeuklidovsk\'y}, booktitle = {\'Uvod do neeukleidovsk\'e geometrie}, series = {GDML\_Books}, publisher = {Jednota \v Ceskoslovensk\'ych matematik\r u a fysik\r u}, address = {Praha}, year = {1926}, pages = {38-[74]}, url = {http://dml.mathdoc.fr/item/402724} }
(éd.). Jednorozměrný útvar neeuklidovský, dans Úvod do neeukleidovské geometrie, GDML_Books, (1926), pp. 38-[74]. http://gdmltest.u-ga.fr/item/402724/