00572nam a2200181Ia 4500020001500000082001900015100002000034245006200054260003600116300002800152500000500180690000600185700000500191952015000196964001700346921001000363999001700373  a376437019X  a510.9bB511.EI  aBerinde, Vasile  aExploring, investigating and discovering in mathematicsb  aBostonbBirkhauser Verlagc2004  axix, 246p. Bibl. Index.  a  a   a  00104070aISIbISId2004-02-10eSBDg193630.00l0o510.9 B511.EIpDP26331r2019-02-14 00:00:00w2019-02-14yBKzOrd num:6524; Ord dt:2004-02-05  abcdefg  a24886  c24886d24886