By Spiegel, Murray R., Murray Spiegel
By Daniel Fleisch (Wittenberg University, Ohio)
By P. G. Drazin (University of Bristol)
By Dorina Mitrea
By Wolfram Koepf
By Arturo Kohatsu-Higa, Atsushi Takeuchi
By Friedrich Sauvigny
By Filip Rindler
By Frederic Pham
By Gheorghe Morosanu
By Bernt Oksendal (University of Oslo, Norway)
By Sergey V. Lototsky, Boris L. Rozovsky
By Jean-Paul Penot
By Francoise Demengel, Gilbert Demengel, Reinie Erne
By Francoise Dal'Bo
By John Crank (Emeritus Professor, Emeritus Professor, Brunel University)
By M. Tenenbaum
By Dexter J Booth, K. a Stroud
By Augusto Visintin
By C. Henry Edwards, David E. Penney
By Stanislaw H. Zak (Professor Electrical and Computer Engineering, Professor Electrical and Computer Engineering, Purdue University)
By William E. Boyce, Richard C. DiPrima
By Rainville, Earl D., Bedient, P.E.
By Richard Bronson, Gabriel Costa
By V.I. Arnold, Richard A. Silverman
By S. J. Taylor
By Allan M. Krall
By Paul DuChateau, D. W. Zachmann
By G. Gandolfo