What is mathematics /
Courant ,Richard
What is mathematics / Richard Courant , Herbert Robbins .-- - 1st ed.-- - Oxford: Oxford University Press , 2007 . - 566p
510 / CR
What is mathematics / Richard Courant , Herbert Robbins .-- - 1st ed.-- - Oxford: Oxford University Press , 2007 . - 566p
510 / CR
