Nonholonomic LR Systems as Generalized Chaplygin Systems with an Invariant Measure and Flows on Homogeneous Spaces Y.N. FedorovB. Jovanovic OriginalPaper 17 June 2004 Pages: 341 - 381
Chaos and Period-Adding; Experimental and Numerical Verification of the Grazing Bifurcation P. T. PiiroinenL. N. VirginA. R. Champneys OriginalPaper 20 July 2004 Pages: 383 - 404