Mathematics for everyone /
Fehr, Howard F.
Mathematics for everyone / Howard F. Fehr [and] Max A. Sobel. - New York : Pocket Books, 1963. - 311 p. : ill.
Mathematics
Mathematics for everyone / Howard F. Fehr [and] Max A. Sobel. - New York : Pocket Books, 1963. - 311 p. : ill.
Mathematics