@article{TIMM_2019_25_2_a22,
     author = {M. Sh. Shabozov and M. S. Saidusajnov},
     title = {Mean-square approximation of functions of a complex variable by {Fourier} sums in orthogonal systems},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {258--272},
     year = {2019},
     volume = {25},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2019_25_2_a22/}
}