Autor de: Álgebra. 2015: (p.r.: Rensselear Polytechnic Institute, Hartford Graduate Center)

http://authorities.loc.gov 8/7/2016: (professor de Matemática, Rensselaer Polytechnic Institute; d.n.,rem.)

http://viaf.org/processed/DNB%7C109314840: (d.n., rem.)

http://viaf.org/processed/BNF%7C12276598: (matemático, professor, Rensselaer Polytechnic Institute)