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@article{MAN_1970__190_162094, author = {B.D. CALVERT}, title = {The {Local} {Fixed} {Point} {Index} for {Multivalued} {Transformations} in a {Banach} {Space.}}, journal = {Mathematische Annalen}, pages = {119--128}, publisher = {mathdoc}, volume = {190}, year = {1970}, zbl = {0193.11001}, url = {http://geodesic.mathdoc.fr/item/MAN_1970__190_162094/} }
B.D. CALVERT. The Local Fixed Point Index for Multivalued Transformations in a Banach Space.. Mathematische Annalen, Tome 190 (1970), pp. 119-128. http://geodesic.mathdoc.fr/item/MAN_1970__190_162094/