Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1992_6_2_a2, author = {Zhikica Perovich}, title = {Relatively {Complete} {2-Extensions} of {Boolean} {Algebras}}, journal = {Mathematica balkanica}, pages = {125}, publisher = {mathdoc}, volume = {6}, number = {2}, year = {1992}, url = {http://geodesic.mathdoc.fr/item/MABA_1992_6_2_a2/} }
Zhikica Perovich. Relatively Complete 2-Extensions of Boolean Algebras. Mathematica balkanica, Tome 6 (1992) no. 2, p. 125. http://geodesic.mathdoc.fr/item/MABA_1992_6_2_a2/