Generators of quasiperiodic oscillations with three-dimensional phase space A.P. Kuznetsov, S.P. Kuznetsov, E. Mosekilde and N.V. Stankevich Eur. Phys. J. Special Topics, 222 10 (2013) 2391-2398 Published online: 28 October 2013 DOI: 10.1140/epjst/e2013-02023-x