@article{IZKAB_2022_1_a3,
     author = {I. A. Gurtueva and K. Ch. Bzhikhatlov},
     title = {Analytical review and classification of methods},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {41--58},
     year = {2022},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2022_1_a3/}
}