@article{RM_1972_27_2_a1,
     author = {S. V. Bochkarev},
     title = {Asolute convergence of {Fourier} series with respect to complete orthonormal systems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {55--81},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1972},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1972_27_2_a1/}
}