@article{VUU_2012_2_a5,
     author = {A. Yu. Saparov and A. P. Beltyukov},
     title = {Regular expressions in the mathematical text recognition problem},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {63--73},
     publisher = {mathdoc},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2012_2_a5/}
}