TY - JOUR AU - S. S. Ajiev TI - Hölder analysis and geometry on Banach spaces: homogeneous homeomorphisms and commutative group structures, approximation and TzarвЂTMkovвЂTMs phenomenon. Part I JO - Eurasian mathematical journal PY - 2014 SP - 7 EP - 60 VL - 5 IS - 1 UR - http://geodesic.mathdoc.fr/item/EMJ_2014_5_1_a0/ LA - en ID - EMJ_2014_5_1_a0 ER -