@article{GDZPPN002374102, title = {Studien zur Kombinatorik}, journal = {Mathematische Zeitschrift}, volume = {37}, year = {1933}, pages = {424-480}, language = {de}, url = {http://dml.mathdoc.fr/item/GDZPPN002374102} }
Rado, R.,. Studien zur Kombinatorik. Mathematische Zeitschrift, Tome 37 (1933) pp. 424-480. http://gdmltest.u-ga.fr/item/GDZPPN002374102/