@article{GDZPPN00237966X, title = {Molekulare Verb\"ande}, journal = {Mathematische Zeitschrift}, volume = {48}, year = {1942}, pages = {373-394}, language = {en}, url = {http://dml.mathdoc.fr/item/GDZPPN00237966X} }
Klein-Barmen, F.,. Molekulare Verbände. Mathematische Zeitschrift, Tome 48 (1942) pp. 373-394. http://gdmltest.u-ga.fr/item/GDZPPN00237966X/