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1
USA mathematical olympiads, 1972-1986
Published 1992“…The Mathematical Association of America ,…”
Book -
2
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3
International mathematical olympiads, 1978-1985 and forty supplementry problems
Published 1992“…The Mathematical Association of America ,…”
Book -
4
International Mathematical Olympiads 1959-1977
Published 1992“…The Mathematical Association of America ,…”
Book