Celestial Encounters – The Origins of Chaos and Stability Princeton Science Library Autor Florin Diacu et al. 13 apr 1999 Paperback Preț: 325.45 lei 6-8 săpt.
Knots and Links in Three-Dimensional Flows Lecture Notes in Mathematics, nr. 1654 Autor Robert W. Ghrist et al. 20 mar 1997 Paperback Preț: 405.63 lei 6-8 săpt.