Straszewicz, S. (1965). Mathematical Problems and puzzles from the Polish Mathematical Olympiads. Pergamon Pr.
Chicago Style (17th ed.) CitationStraszewicz, Stefan. Mathematical Problems and Puzzles from the Polish Mathematical Olympiads. Oxford <<[u.a.]>>: Pergamon Pr, 1965.
MLA (9th ed.) CitationStraszewicz, Stefan. Mathematical Problems and Puzzles from the Polish Mathematical Olympiads. Pergamon Pr, 1965.
Warning: These citations may not always be 100% accurate.