@article{CHEB_2020_21_1_a6,
     author = {S. B. Gashkov and I. S. Sergeev},
     title = {Multiplication},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {101--134},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2020_21_1_a6/}
}