A history of (pi). /
Beckmann, Petr
A history of (pi). / Petr Beckmann. Electrical enginnering department University of Colorado. - New York : Dorset Press, 1971. - 200 p.
Bibliography: p. 189-191.
0880294183
Science
A history of (pi). / Petr Beckmann. Electrical enginnering department University of Colorado. - New York : Dorset Press, 1971. - 200 p.
Bibliography: p. 189-191.
0880294183
Science