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On minimax estimation in linear regression models with ellipsoidal constraints
Christopeit, Norbert - 1991
Persistent link: https://www.econbiz.de/10000833559
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On stochastic "bang-bang" control for linear diffusions with point process observations
Christopeit, Norbert; Helmes, Kurt - 1988
Persistent link: https://www.econbiz.de/10000756228
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Discrete approximation of continuous time stochastic control systems
Christopeit, Norbert - 1980
Persistent link: https://www.econbiz.de/10000007321