Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1986_289_6_a4, author = {A. V. Mikhalev}, title = {Orthogonally complete many-sorted algebraic systems}, journal = {Doklady Akademii Nauk}, pages = {1304--1308}, publisher = {mathdoc}, volume = {289}, number = {6}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_289_6_a4/} }
A. V. Mikhalev. Orthogonally complete many-sorted algebraic systems. Doklady Akademii Nauk, Tome 289 (1986) no. 6, pp. 1304-1308. http://geodesic.mathdoc.fr/item/DAN_1986_289_6_a4/