The 3 x + 1 problem as a string rewriting system. Sinyor, Joseph — 2010 International Journal of Mathematics and Mathematical Sciences
A new triple sum combinatorial identity. Sinyor, Joseph; Tefera, Akalu — 2002 International Journal of Mathematics and Mathematical Sciences
A new combinatorial identity. Sinyor, Joseph; Speevak, Ted; Tefera, Akalu — 2001 International Journal of Mathematics and Mathematical Sciences