Journal Article

Kim, Seunghwan, MacKay, R. S. and Guckenheimer, J.. (1989) Resonance regions for families of torus maps. NONLINEARITY, 2 (3). pp. 391-404. ISSN 0951-7715

MacKay, R. S., Meiss, J. D. and Stark, J.. (1989) Converse KAM theory for symplectic twist maps. NONLINEARITY, 2 (4). pp. 555-570. ISSN 0951-7715