@article{VUU_2013_4_a1,
     author = {I. N. Banshchikova and S. N. Popova},
     title = {On the property of the closedness of the set of almost periodic functions},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {13--19},
     publisher = {mathdoc},
     number = {4},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2013_4_a1/}
}