Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DM_1993_5_4_a6, author = {Nguyen Van Hoa}, title = {Families of closed classes of $k$-valued logic that are preserved by all automorphisms}, journal = {Diskretnaya Matematika}, pages = {87--108}, publisher = {mathdoc}, volume = {5}, number = {4}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1993_5_4_a6/} }
Nguyen Van Hoa. Families of closed classes of $k$-valued logic that are preserved by all automorphisms. Diskretnaya Matematika, Tome 5 (1993) no. 4, pp. 87-108. http://geodesic.mathdoc.fr/item/DM_1993_5_4_a6/