Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{RCM_1993__27_1-2_181881, author = {Hernando Gait\'an}, title = {Quasivarieties of {De} {Morgan} algebras}, journal = {Revista colombiana de matematicas}, pages = {203--208}, publisher = {mathdoc}, volume = {27}, number = {1-2}, year = {1993}, zbl = {0801.06026}, url = {http://geodesic.mathdoc.fr/item/RCM_1993__27_1-2_181881/} }
Hernando Gaitán. Quasivarieties of De Morgan algebras. Revista colombiana de matematicas, Tome 27 (1993) no. 1-2, pp. 203-208. http://geodesic.mathdoc.fr/item/RCM_1993__27_1-2_181881/