@article{FPM_2000_6_2_a9,
     author = {O. P. Naumov},
     title = {On {Poisson--Abel} method of summing up {Fourier} series with respect to multiplicative systems},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {485--500},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2000_6_2_a9/}
}