@article{bwmeta1.element.bwnjournal-article-fmv35i1p15, author = {W. Mayer}, title = {Duality theorems}, journal = {Fundamenta Mathematicae}, volume = {35}, year = {1948}, pages = {188-202}, zbl = {0033.40103}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv35i1p15} }
Mayer, W. Duality theorems. Fundamenta Mathematicae, Tome 35 (1948) pp. 188-202. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv35i1p15/