@article{MZM_1967_2_5_a5,
     author = {R. I. Osipov and A. A. Talalyan},
     title = {The convergence of orthogonal series to $+\infty$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {483--494},
     publisher = {mathdoc},
     volume = {2},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_5_a5/}
}