Classical Invariant Theory Autor Peter J. Olver et al. 15 feb 2003 Paperback Preț: 438.97 lei 6-8 săpt.
Equivalence, Invariants and Symmetry Autor Peter J. Olver 30 sep 2008 Paperback Preț: 493.82 lei 536.76 lei 6-8 săpt. -8%