00339nam a2200097Ia 4500008004100000100002900041245006600070245005500136260000900191856004100200160531s9999    xx            000 0 und d  aKandasamy, Vasantha W.B.  aSet Theoretic Approach to Algebraic Structures in Mathematics  cby W. B. Vasantha Kandasamy, Florentin Smarandache  c2013  uhttp://vixra.org/pdf/1304.0021v1.pdf