%0 Journal Article %A A. M. Zamorzaev %T Deduction of three-dimensional similarity symmetry groups %J Doklady Akademii Nauk %D 1968 %P 836-839 %V 179 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_179_4_a18/ %G ru %F DAN_1968_179_4_a18