%0 Journal Article
%T On $ R $-subcommuting maps and best approximations in Banach spaces
%A Naseer Shahzad
%J Tamkang Journal of Mathematics
%D 2001
%I Tamkang University
%R 10.5556/j.tkjm.32.2001.51-53
%X A result on best approximation is proved in Banach spaces satisfying Opial's condition. Recent results of Jungck and Sessa [Math. Japonica, 42(1995), 249-252.] are extended to a new class of noncommuting maps.
%U http://journals.math.tku.edu.tw/index.php/TKJM/article/view/368