Ion C. Baianu
University of Illinois, Urbana
United States

I. C. Baianu, PhD., Professor,
ACES College and NPRE Department,
University of Illinois,
Urbana IL 61801, USA.
email:ibaianu@illinois.edu

James F. Glazebrook
Eastern Illinois University, Charleston
United States

James. F. Glazebrook, PhD, Professor,
Department of Mathematics and Computer Science,
Eastern Illinois University,
Charleston IL 61920, USA.
email: jfglazebrook@eiu.edu