Zephyrinus Okonkwo - Mathematician of the African …
www.math.buffalo.edu/mad/PEEPS/okonkwo_zephyrinusC.html
3 Aug 2011:
Associate Professor of Department of Math and Computer Science, Albany State University, Albany, GA. ... Dynamic systems and applications, Vol. 3 (Atlanta, GA, 1999), 475--482, Dynamic, Atlanta, GA, 2001.