Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1981_256_6_a7, author = {I. V. Protasov and A. D. Sidorchuk}, title = {On varieties of topological algebraic systems}, journal = {Doklady Akademii Nauk}, pages = {1314--1318}, publisher = {mathdoc}, volume = {256}, number = {6}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_6_a7/} }
I. V. Protasov; A. D. Sidorchuk. On varieties of topological algebraic systems. Doklady Akademii Nauk, Tome 256 (1981) no. 6, pp. 1314-1318. http://geodesic.mathdoc.fr/item/DAN_1981_256_6_a7/