Математические олимпиады
Education , Elementary102 combinatorial problems from the training of the USA IMO team
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Education , ElementaryChallenges in Geometry: for Mathematical Olympians Past and Present
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Education , ElementaryMathematical Olympiads 1998-1999: Problems and Solutions from around the World
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Education , ElementaryPolish and Austrian Mathematical Olympiads, 1981-1995: selected problems with multiple solutions
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Education , ElementaryThe William Lowell Putnam Mathematical Competition 1985-2000: Problems, Solutions, and Commentary
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