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ProblemsErwin Just, Miklós Laczkovich, Daniel B. Shapiro, Bostwick Wyman, M. S. Klamkin, John W. Goppelt, 1986 U.S.A. Mathematical Olympiad, John Sawka, John P. Hoyt, David Gale, Joan Hutchinson, Stan Wagon, Clark Kimberling, Noam Elkies, Bruce Hanson, Stephen Wayne Coffman, Bruce Shawyer, Hans Kappus, Bruce C. Berndt, Richard Johnsonbaugh and Edwin M. Klein · Mathematics Magazine · 1987