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International Journal of Mathematics and Mathematical Sciences
Volume 1 (1978), Issue 1, Pages 57-61

A fixed point theorem for a nonlinear type contraction

Department of Mathematics, University of Wyoming, Laramie, Wyoming 82071, China

Received 31 January 1978

Copyright © 1978 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A well-known result of Boyd and Wong [1] on nonlinear contractions is extended. Several other known results are obtained as special cases.