Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1967_177_1_a7, author = {I. K. Lifanov}, title = {Some theorems concerning the $\operatorname{Ind}$ dimension}, journal = {Doklady Akademii Nauk}, pages = {33--36}, publisher = {mathdoc}, volume = {177}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_177_1_a7/} }
I. K. Lifanov. Some theorems concerning the $\operatorname{Ind}$ dimension. Doklady Akademii Nauk, Tome 177 (1967) no. 1, pp. 33-36. http://geodesic.mathdoc.fr/item/DAN_1967_177_1_a7/