%0 Journal Article
%T Maximum and minimum fixed points of isotone operators in partially ordered sets
%A M. L. Diviccaro
%A S. Sessa
%J International Journal of Contemporary Mathematical Sciences
%D 2013
%I 
%X We establish common fixed point theorems for a family of isotoneselfmaps of a poset by generalizing known previous results. The independence oftwo theorems is also shown under suitable examples.
%K common fixed point
%K isotone map
%K Zorn lemma
%U http://www.m-hikari.com/ijcms/ijcms-2013/1-4-2013/sessaIJCMS1-4-2013.pdf