@article{VUU_2017_27_4_a0,
     author = {I. N. Banshchikova and S. N. Popova},
     title = {On the property of integral separation of discrete-time systems},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {481--498},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2017_27_4_a0/}
}