@article{IZKAB_2011_6_a0,
     author = {S. M. Arkhestova and M. M. Lafisheva and M. B. Tkhamokov},
     title = {Economic factored schemes 
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {9--16},
     publisher = {mathdoc},
     number = {6},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2011_6_a0/}
}