Introducing mathematics.
Helton, Floyd Franklin
Introducing mathematics. - 2d ed. - New York Wiley [1958] - 396 p. illus.
58010802 /L
Mathematics
QA39 / .H412
510
Introducing mathematics. - 2d ed. - New York Wiley [1958] - 396 p. illus.
58010802 /L
Mathematics
QA39 / .H412
510