ANISH DEB; GAUTAM SARKAR; ANINDITA SENGUPTA TRIANGULAR ORTHOGONAL FUNCTIONS FOR THE ANALYSIS OF CONTINUOUS TIME SYSTEMS ANSISH DEB ; GAUTAM SARKAR AND ANINDITA SENGUPTA - - ELSEVIER 2007 - ix, 131 p. ISBN: 9788131207413 Subjects--Topical Terms: MATHEMATICS Dewey Class. No.: 515.55 DEB / ANI