Borwein J. Convex analysis and nonlinear optimization : theoryand examples / J. Borwein, A. Lewis, 2006 r=on-line. - Текст : электронный.
Mathematical knowledge management : 5th international conference, MKM 2006, Wokingham, UK, August 11-12, 2006: proceedings / SpringerLink (Online service), 2006 r=on-line