Mathematics Observed
Freudenthal, Hans
Mathematics Observed Hans Freudenthal - New York : McGraw-Hill Book Company, c1967. - 256 p.: ill.;
510 / FRE/MAT
Mathematics Observed Hans Freudenthal - New York : McGraw-Hill Book Company, c1967. - 256 p.: ill.;
510 / FRE/MAT