What is mathematics? :
Courant Richard.
What is mathematics? : An elementary approach to ideas and methods / Richard Courant - New york: Oxford University Press, 1978. - 521p.: ill.; 23 cm.
Includes Bibliographical references and index.
510 COU
What is mathematics? : An elementary approach to ideas and methods / Richard Courant - New york: Oxford University Press, 1978. - 521p.: ill.; 23 cm.
Includes Bibliographical references and index.
510 COU