@article{VTAMU_2022_27_140_a3,
     author = {M. R. Langarshoev},
     title = {On the best approximation and the values of the widths of some classes of functions in the {Bergmann} weight space},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {339--350},
     year = {2022},
     volume = {27},
     number = {140},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2022_27_140_a3/}
}