@article{IZKAB_2015_1_a7,
     author = {D. G. Tokmakova},
     title = {Survey of the methods of formal representation
},
     journal = {News of the Kabardin-Balkar scientific center of RAS},
     pages = {64--71},
     publisher = {mathdoc},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IZKAB_2015_1_a7/}
}