On Certain Aspects of the Two-Armed Bandit Problem. - Ulrich Herkenrath; Radu Theodorescu (J. Inf. Process. Cybern., 1978)

General control systems. - Ulrich Herkenrath; Radu Theodorescu (Inf. Sci., 1978)

On a Stochastic Approximation Procedure Applied to the Bandit Problem. - Ulrich Herkenrath; Radu Theodorescu (J. Inf. Process. Cybern., 1979)

On a general class of absorbing-barrier learning algorithms. - Ulrich Herkenrath; Dieter Kalin; S. Lakshmivarahan (Inf. Sci., 1981)