@article{MZM_1992_51_5_a4,
     author = {M. G. Grigoryan},
     title = {The almost everywhere convergence of fourier series according to complete orthonormal systems},
     journal = {Matemati\v{c}eskie zametki},
     pages = {35--43},
     publisher = {mathdoc},
     volume = {51},
     number = {5},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_5_a4/}
}