000 00675nam a2200241Ia 4500
005 20260121111750.0
008 657 260114s9999 xx 000 0 eng d
020 _a9781938134876
037 _aEBOOK
040 _aCRL
_beng
_cCRL
041 _aeng
_2eng
084 _qCRL
100 _aYang Desheng
_9946937
245 0 _aTrigonometric Functions and Complex Numbers: in Mathematical Olympiad and Competitions
260 _bWCPC
260 _bWorld Scientific
260 _c2016
650 _aMathematics
_9946938
856 _uhttps://www.worldscientific.com/worldscibooks/10.1142/u028#t=toc
942 _cEBOOK
999 _c1537957
_d1537957