Buchli, J.Righetti, L.Ijspeert, A.J.2005-11-032005-11-032005-11-03200510.1007/11553090_22https://infoscience.epfl.ch/handle/20.500.14299/218674WOS:000233583100022A dynamical systems approach to learning: a frequency-adaptive hopper robottext::conference output::conference proceedings::conference paper