@article{IVM_1973_5_a5,
     author = {G. F. Losev},
     title = {On a~test of {M.~Izumi} and {S.~Izumi} for the convergence of {Fourier} series},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {40--44},
     publisher = {mathdoc},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1973_5_a5/}
}