000 00321nam a2200109Ia 4500
008 160531s9999 xx 000 0 und d
100 _aSmarandache, Florentin.
245 _aProblems with and Without ... Problems!
245 _cby Florentin Smarandache
260 _c2011
856 _uhttp://vixra.org/pdf/1101.0083v1.pdf
999 _c295065
_d295065