Reversible Systems Lecture Notes in Mathematics, nr. 1211 Autor Mikhail B. Sevryuk dec 1986 Paperback Preț: 406.70 lei 6-8 săpt.
Quasi-Periodic Motions in Families of Dynamical Systems: Order amidst Chaos Lecture Notes in Mathematics, nr. 1645 Autor Hendrik W. Broer et al. 16 dec 1996 Paperback Preț: 464.40 lei 6-8 săpt.