Francfort, GillesSchweizer, Ben2013-06-032013-06-032013-06-03http://hdl.handle.net/2003/3035810.17877/DE290R-5465We study a system of small strain visco-plasticity. We use an additive decomposition of the strain into elastic and plastic part, and allow for non-linear relations in the Hooke's law and in the flow rule. We show the existence of solutions, using a time-discrete approximation scheme. The limit procedure is based on a strong convergence result for the time-discrete solution sequence.enmonotone operatorsnon-linear parabolic systemsvisco-plasticity610preprint