@article{IVM_2024_8_a2,
     author = {S. Demir},
     title = {Unconditional convergence of the differences of {Fej\'er} kernels on $L^2(\mathbb{R})$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {27--33},
     year = {2024},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2024_8_a2/}
}