6533b884fe1ef96bd12de87f

RESEARCH PRODUCT

MR1989230: Levi, Mark On a problem by Arnold on periodic motions in magnetic fields. Dedicated to the memory of Jürgen K. Moser. Comm. Pure Appl. Math. 56 (2003), no. 8, 1165--1177.

Maria Letizia Bertotti

subject

http://hdl.handle.net/10447/28458