
[Kathy O'Hara's constructive proof of the unimodality of the Gaussian polynomials, Amer. Math. Monthly, 96, 1989, 592 of 590–602, http://www.maa.org/programs/maa-awards/writing-awards/kathy-oharas-constructive-proof-of-the-unimodality-of-the-gaussian-polynomials]