por Spiegel, Murray R [autor] | Lipschutz, Seymour [autor] | Spellman, Dennis, 1945- [autor] | Enriquez Brito, Javier [traductor].
por Conference on Combinatorial Group Theory, Discrete Groups, and Number Theory (2004 : Fairfield University) | Rosenberger, Gerhard | Fine, Benjamin, 1948- [editor] | Gaglione, Anthony M [editor] | Spellman, Dennis, 1945- [editor] | AMS Special Session on Infinite Groups (2005 : Bard College).