@article{GDZPPN002344173, title = {HANS HERMES : Einf\"uhrung in die Verbandstheorie}, journal = {Mathematica Scandinavica}, volume = {3}, year = {1955}, pages = {308-309}, zbl = {0064.02901}, url = {http://dml.mathdoc.fr/item/GDZPPN002344173} }
JÓHNSSON, BJARNI. HANS HERMES : Einführung in die Verbandstheorie. Mathematica Scandinavica, Tome 3 (1955) pp. 308-309. http://gdmltest.u-ga.fr/item/GDZPPN002344173/