01023nam a2200361 4500 DLU110121503 ##20110519 ##020211s2001 enka b 001 0 eng 2002276171 0521002648 (pbk.) 052181040X (hardback) DLC DLC DLC 516.36 PO-I Porteous, Ian R. Geometric differentiation : for the intelligence of curves and surfaces / I.R. Porteous. 2nd ed. Cambridge, UK ; New York : Cambridge University Press, 2001. xv, 333 p. : ill. ; 21x30 cm. Includes bibliographical references (p. 320-326) and index. Curves. Geometry, Differential. Surfaces. 01/2011TN GT 0 KTN True Đào Thị Thu Huyền G A SH Thư viện Trường Đại học Đà Lạt