@article{UZKU_2013_155_4_a8,
     author = {I. M. Shakirova},
     title = {Solvability conditions in quadratures of two {Volterra} equations},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {90--98},
     publisher = {mathdoc},
     volume = {155},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2013_155_4_a8/}
}