TY - JOUR AU - Leland, Kenneth O. TI - Topological analysis of differentiable transformations JO - Compositio Mathematica PY - 1967 SP - 189 EP - 200 VL - 18 IS - 3 PB - P. Noordhoff N. V., Groningen UR - http://archive.numdam.org/item/CM_1967__18_3_189_0/ LA - en ID - CM_1967__18_3_189_0 ER -