Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1977__21_154455, author = {Juhani Nieminen}, title = {Filters and {Simple} {Graphic} {Algebras.}}, journal = {Manuscripta mathematica}, pages = {51--58}, publisher = {mathdoc}, volume = {21}, year = {1977}, zbl = {0359.06013}, url = {http://geodesic.mathdoc.fr/item/MM2_1977__21_154455/} }
Juhani Nieminen. Filters and Simple Graphic Algebras.. Manuscripta mathematica, Tome 21 (1977), pp. 51-58. http://geodesic.mathdoc.fr/item/MM2_1977__21_154455/