Vern Paulsen. "The group of invertible elements in a Banach algebra." Colloquium Mathematicae 47.1 (1982): 97-100. <http://eudml.org/doc/267404>.
@article{VernPaulsen1982, author = {Vern Paulsen}, journal = {Colloquium Mathematicae}, keywords = {homotopy; winding number; unreduced suspension; principal component; holomorphic functional calculus; index group}, language = {eng}, number = {1}, pages = {97-100}, title = {The group of invertible elements in a Banach algebra}, url = {http://eudml.org/doc/267404}, volume = {47}, year = {1982}, }
TY - JOUR AU - Vern Paulsen TI - The group of invertible elements in a Banach algebra JO - Colloquium Mathematicae PY - 1982 VL - 47 IS - 1 SP - 97 EP - 100 LA - eng KW - homotopy; winding number; unreduced suspension; principal component; holomorphic functional calculus; index group UR - http://eudml.org/doc/267404 ER -