@article{GDZPPN002284626, title = {Die Cohomologietheorie der Polyeder.}, journal = {Mathematische Annalen}, volume = {129}, year = {1955}, pages = {87-101}, zbl = {0065.16101}, url = {http://dml.mathdoc.fr/item/GDZPPN002284626} }
Waerden van der, B.L. Die Cohomologietheorie der Polyeder.. Mathematische Annalen, Tome 129 (1955) pp. 87-101. http://gdmltest.u-ga.fr/item/GDZPPN002284626/