TY - JOUR AU - P. V. Bibikov TI - On the subgroups of birational contact maps and the Kartan--Keller's conjecture JO - Dalʹnevostočnyj matematičeskij žurnal PY - 2018 SP - 9 EP - 17 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DVMG_2018_18_1_a1/ LA - ru ID - DVMG_2018_18_1_a1 ER -