%0 Journal Article %A L. G. Parkhomov %A V. G. Rau %A V. V. Ilyukhin %A N. V. Belov %T Cochren cyclotomic sets with the period divisible by~$3$ %J Doklady Akademii Nauk %D 1982 %P 1389-1391 %V 264 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_264_6_a26/ %G ru %F DAN_1982_264_6_a26