@article{FPM_2000_6_1_a3,
     author = {N. A. Bokaev and N. K. Syzdykova},
     title = {On integrability and $L_1$-convergence of double series with respect to multiplicative systems},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {43--49},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2000_6_1_a3/}
}