Croft, H. T., Falconer, K. J., & Guy, R. K. (1994). Unsolved problems in intuitive mathematics: Unsolved problems in geometry. New York: Springer Verlag.
Chicago Stili AlıntıCroft, Hallard T., Kenneth J. Falconer, and Richard K. Guy. Unsolved Problems in Intuitive Mathematics: Unsolved Problems in Geometry. New York: Springer Verlag, 1994.
MLA AlıntıCroft, Hallard T., Kenneth J. Falconer, and Richard K. Guy. Unsolved Problems in Intuitive Mathematics: Unsolved Problems in Geometry. New York: Springer Verlag, 1994.
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