Combinatorial Methods: Free Groups, Polynomials, and Free Algebras CMS Books in Mathematics Autor Vladimir Shpilrain et al. 14 noi 2003 Hardback Preț: 384.58 lei 6-8 săpt.
Group-based Cryptography Advanced Courses in Mathematics - CRM Barcelona Autor Alexei Myasnikov et al. 17 iul 2008 Paperback Preț: 347.97 lei 6-8 săpt.