@article{IZKAB_2014_6_a11,
     author = {P. E. Marchenko},
     title = {Problems of specification of integrated estimates},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {86--92},
     year = {2014},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2014_6_a11/}
}