Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1976_15_3_a1, author = {G. V. Dorofeev}, title = {The join of varieties of algebras}, journal = {Algebra i logika}, pages = {267--291}, publisher = {mathdoc}, volume = {15}, number = {3}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1976_15_3_a1/} }
G. V. Dorofeev. The join of varieties of algebras. Algebra i logika, Tome 15 (1976) no. 3, pp. 267-291. http://geodesic.mathdoc.fr/item/AL_1976_15_3_a1/