By Krantz, Steven
By Friedrich Sauvigny
By Arturo Kohatsu-Higa, Atsushi Takeuchi
By Wolfram Koepf
By Dorina Mitrea
By P. G. Drazin (University of Bristol)
By Daniel Fleisch (Wittenberg University, Ohio)
By Spiegel, Murray R., Murray Spiegel
By Boyce, William E., DiPrima, Richard C.
By PGDrazin
By Nagle
By Fleisch, Daniel
By Mao, X.
By Bronson, Richard, Costa, Gabriel
By Drazin, PGDrazin
By Lapidus, Leon, Pinder, George F.
By Williams, David
By Simmons, George F
By Shapira, Yair
By Friedman, Avner
By Fusai, Gianluca, Roncoroni, Andrea
By Morel, Christophe
By Ritter, Klaus
By Garding, Lars
By Simmonds, James G.
By Orlandi, Paolo
By Shivamoggi, Bhimsen K.
By Hochstadt, Harry
By Armstrong, Mark A.