International Journal of Mathematics and Mathematical Sciences 
Volume 1 (1978), Issue 1, Pages 57-61
doi:10.1155/S0161171278000071

A fixed point theorem for a nonlinear type contraction

S. A. Husain and V. M. Sehgal

 Department of Mathematics, University of Wyoming, Laramie, Wyoming 82071, China
Received 31 January 1978

Abstract

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