@article{MZM_1967_1_6_a3,
     author = {V. F. Gaposhkin},
     title = {Observation on a work of {P.~R\'ev\'esz} on multiplicative systems of functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {653--656},
     publisher = {mathdoc},
     volume = {1},
     number = {6},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_6_a3/}
}