@article{IZKAB_2016_3_a2, author = {F. Kh. Uvizheva}, title = {About estimates of the provided (effective) }, journal = {News of the Kabardin-Balkar scientific center of RAS}, pages = {18--24}, publisher = {mathdoc}, number = {3}, year = {2016}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IZKAB_2016_3_a2/} }