00297nam a2200097Ia 4500008004100000100002100041245004200062245003600104260000900140856005000149160531s9999    xx            000 0 und d  aFranklin, James.  aProof in Mathematics: An Introduction  cby James Franklin, Albert Daoud  c2011  uhttp://web.maths.unsw.edu.au/~jim/proofs.html