@article{VUU_2013_1_a13,
     author = {A. Yu. Saparov and A. P. Beltyukov},
     title = {Mathematical modeling of formula images for their recognition},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {153--167},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2013_1_a13/}
}