Courant;Richard and Robbins;Herbert.

What is Mathematics? An Elementaty Approach to Ideas and Methods Textual Documents - Sixth Printing 1953. - London: Oxford University Press, 1953. - xix; 521p.: 01109.


Mathematics;Maxima and Minima;The Calculus.

Projective Geometry,Axiomatics,Non-Euclidean Geometries Hypernbolic Non-Euclidean Geometry

510 COU