Cypkin, J. Z. [ca. 1973]. Foundations of the theory of learning systems. In Mathematics in science and engineering [Book]. New York [u.a.]: Acad. Press.

CYPKIN, Jakov Z., 1973. Foundations of the theory of learning systems. New York [u.a.]: Acad. Press. Mathematics in science and engineering, 101.

Cypkin, J. Z. „Foundations of the theory of learning systems“. Mathematics in science and engineering, book, Acad. Press, 1973.

Cypkin, Jakov Z.: Foundations of the theory of learning systems, . Mathematics in science and engineering, New York [u.a.] 1973.

Cypkin, J.Z. (1973), Foundations of the theory of learning systems, Mathematics in science and engineering, Bd. , Acad. Press, New York [u.a.].