What is mathematics?
Courant, Richard 1888-1972.
What is mathematics?: an elementary approach to ideas and methods /
Richard Courant, Herbert Robbins
. - Oxford : Oxford University Press, 1978
. - 521 p. ill., schem. 23 cm.
К.: Бібліогр. : c. 511-514, Index
0-19-502517-2
К.: Бібліогр. : c. 511-514, Index
0-19-502517-2