Stumpf Eugen: On differential equations with state-dependent delay : the principles of linearized stability and instability revisited. (2016)
Stumpf Eugen: On differential equations with state-dependent delay: the principles of linearized stability and instability revisited. (2016)
Stumpf Eugen: Attraction property of local center-unstable manifolds for differential equations with state-dependent delay. (2015)