@article{SM_1983_45_4_a6,
     author = {A. A. Talalyan},
     title = {On the connection between the properties of completeness and unconditional convergence for orthogonal systems},
     journal = {Sbornik. Mathematics},
     pages = {507--513},
     publisher = {mathdoc},
     volume = {45},
     number = {4},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1983_45_4_a6/}
}