Trigg, Charles W.
Mathematical quickies [by] Charles W. Trigg. - 1st ed. - New York McGraw-Hill 1967 - xi, 210 p. illus. 21 cm.
Mathematical recreations
793.74 / TRI/1967
Mathematical quickies [by] Charles W. Trigg. - 1st ed. - New York McGraw-Hill 1967 - xi, 210 p. illus. 21 cm.
Mathematical recreations
793.74 / TRI/1967