000 | 00375nmm a2200133Ia 4500 | ||
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008 | 230125s9999||||xx |||||||||||||||||und|| | ||
020 | _a9780817644321 | ||
100 | _aTitu Andreescu, Zuming Feng | ||
245 | 0 | _a103 Trigonometry Problems | |
250 | _a2005 | ||
260 |
_bBirkhäuser Boston _c2005 |
||
650 | _aMathematics and Statistics | ||
856 | _uhttps://doi.org/10.1007/b139082 | ||
999 |
_c3949 _d3949 |