%0 Journal Article %A B. N. Apanasov %A A. V. Tetenov %T On the existence of non-trivial quasiconformal deformations of Kleinean space groups %J Doklady Akademii Nauk %D 1978 %P 14-17 %V 239 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_239_1_a1/ %G ru %F DAN_1978_239_1_a1