@article{IVM_1981_6_a9,
     author = {\`E. O. Khazirishi},
     title = {Some orthogonal systems of functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {59--64},
     publisher = {mathdoc},
     number = {6},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_6_a9/}
}