[1] K. S. Fu, Sequential Methods in Pattern Recognition and Machine Learning. (Mathematics in Science and Engineering Series, vol. 52) New York: Academic, 1968, second printing 1970 (Russian translation, 1971, Nauka, Moscow, third printing 1978). [2] K. S. Fu, Syntactic Methods in Pattern Recognition. New York: Academic, 1974, second printing 1976 (Russian translation, Mir Press, Moscow, 1976)....