@article{MZM_1976_19_5_a1,
     author = {R. S. Davtyan},
     title = {The representations of functions by orthogonal series possessing martingale properties},
     journal = {Matemati\v{c}eskie zametki},
     pages = {673--680},
     publisher = {mathdoc},
     volume = {19},
     number = {5},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1976_19_5_a1/}
}