References
Hess, P.: On nonlinear mappings of monotone type homotopic to odd operators. J. Functional Analysis11, 138–167 (1972)
Calvert, B., Webb, J. R. L.: An existence theorem for quasi-monotone operators. Atti dell' Accademia dei Lincei, Rend., Serie VIII, Vol.50, 362–368 (1971)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Hess, P. A homotopy argument for mappings of monotone type in Banach spaces. Math. Ann. 207, 63–65 (1974). https://doi.org/10.1007/BF01431503
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01431503