Stochastic Approximation Algorithms for System Identification, Estimation, and Decomposition of Mixtures. - George N. Saridis; Zivorad J. Nikolic; King-Sun Fu (IEEE Trans. Syst. Sci. Cybern., 1969)

An Algorithm for Learning Without External Supervision and Its Application to Learning Control Systems. - Zivorad J. Nikolic; King-Sun Fu (IEEE Trans. Pattern Anal. Mach. Intell., 1986)