@article{DE_1987_23_6_a3,
     author = {V. E. Volkov},
     title = {Sufficient conditions for the property of being a basis in $L_p$ and for equiconvergence with a trigonometric series of spectral expansions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {952--960},
     publisher = {mathdoc},
     volume = {23},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_6_a3/}
}