%0 Journal Article %A S. A. Piunikhin %T Several new results on quasicrystallographic groups in Novikov sense %J Matematičeskie zametki %D 1990 %P 100-107 %V 48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1990_48_3_a12/ %G ru %F MZM_1990_48_3_a12