1.
Approximation theory and methods. Cambridge: Cambridge University Press; 1981.
Approximation theory and methods. Cambridge : Cambridge University Press, 18 juin 1981. ISBN 0-521-22472-1
Powell M. J. D. (1981). Approximation theory and methods. Cambridge University Press.
MLA (8th ed.) CitationPowell M. J. D. Approximation Theory and Methods. Cambridge University Press, 1981.
Warning: These citations may not always be 100% accurate.