By David S. Moore, George P. McCabe, Bruce Craig
By Mauro C. Beltrametti, Ettore Carletti, Dionisio Gallarati, Francis Sullivan
By Abbott, A.F., John Cockcroft, Sir, A.F. Abbott
By Richard Rennie (University of Cambridge), Jonathan Law (Market House Books)
By Open University Course Team
By Howard Anton, Chris Rorres
By The Open University
By Gray, J.
By Fauvel, John
By Barabasi, A.-L.
By Kreyszig, Erwin
By Pearson, Carl E.
By Seymour Lipschutz
By David J. Balding
By Powell, F. C.
By Morgan, Byron
By Moore, David S., McCabe, George P., Duckworth, William M., II, Sclove, Stanley L.
By Wharton, Geraldene
By Raymond W Anderson
By W J Reichmann
By Frank Castle
By E. Kenecht and e. Hibbert
By Lovasz / Pelikan / Vesztergombi