%0 Journal Article %A P. V. Bibikov %T On the subgroups of birational contact maps and the Kartan--Keller's conjecture %J Dalʹnevostočnyj matematičeskij žurnal %D 2018 %P 9-17 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DVMG_2018_18_1_a1/ %G ru %F DVMG_2018_18_1_a1