@article{GDZPPN002292297, title = {Algebra of Subsets and M\"obius Pairs.}, journal = {Mathematische Annalen}, volume = {152}, year = {1963}, pages = {208-225}, zbl = {0116.03403}, url = {http://dml.mathdoc.fr/item/GDZPPN002292297} }
KAZANDZIDIS, G.S. Algebra of Subsets and Möbius Pairs.. Mathematische Annalen, Tome 152 (1963) pp. 208-225. http://gdmltest.u-ga.fr/item/GDZPPN002292297/