@article{IVM_1966_3_a15,
     author = {A. I. Rubinshtein},
     title = {Certain properties of a~class of periodic multiplicative complete orthonormal systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {128--138},
     publisher = {mathdoc},
     number = {3},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1966_3_a15/}
}