 |
Xiong, Bin (ed.) Mathematical Olympiad in China : problems and solutions (2019-2020) Shanghai : East China Normal University ; Singapore : World Scientific, 2023. xviii, 281 p. -- (Mathematical Olympiad series ; vol. 19) QA43 M33 2020 |
Xiong-2020
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Xiong, Bin (ed.) Mathematical Olympiad in China : problems and solutions (2019-2020) Shanghai : East China Normal University ; Singapore : World Scientific, 2023. xviii, 281 p. -- (Mathematical Olympiad series ; vol. 19) QA43 M33 2020 |