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@article{DAN_1990_314_5_a10, author = {B. M. Makarov}, title = {Characterization of universally regular operators and operators}, journal = {Doklady Akademii Nauk}, pages = {1069--1071}, publisher = {mathdoc}, volume = {314}, number = {5}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_5_a10/} }
B. M. Makarov. Characterization of universally regular operators and operators. Doklady Akademii Nauk, Tome 314 (1990) no. 5, pp. 1069-1071. http://geodesic.mathdoc.fr/item/DAN_1990_314_5_a10/