Dynamical Systems And Small Divisors : Lectures Given At The C. - I.M.E. Summer School Held In Cetraro Italy, June 13-20, 1998 (Lecture Notes In Mathematics / Fondazione C.I.M.E., Firenze)
Dynamical Phenomena At Surfaces, Interfaces And Superlattices: Proceedings Of An International Summer School At The Ettore Majorana Centre, Erice, ... 1984 (Springer Series In Surface Sciences)
Dynamical Systems: Santiago De Chile, 1990: Proceedings Of The 3rd International School Of Dynamic Systems, Universidad De Santiago De Chile, 1990 (Pitman Research Notes In Mathematics Series )