@article{VMUMM_1992_2_a7,
     author = {Chan Min'},
     title = {Absolute convergence of series of {Fourier} coefficients in an orthonormal system},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {37--42},
     publisher = {mathdoc},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_2_a7/}
}