@article{IVM_1970_3_a13,
     author = {A. A. Fomin},
     title = {The convergence of {Fourier} series over an orthonormal system of functions in the metrics $L$ and~$C$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {87--90},
     publisher = {mathdoc},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_3_a13/}
}