Bibliografia

[1] Bonnesen, Fenchel – Theory of convex bodies, BCS Associates (1987)
[2] Hall, Wagon – Roads and Wheels, Mathematics Magazine, vol. 65, nº 5, 283-301 (1992)
[3] Honsberger – Ingenuity in Mathematics, MAA(1970)
[4] Niven – Maxima and minima without calculus, MAA, Dolciani Mathematical Expositions 6 (1981)
[5] Rademacher, Toeplitz – The enjoyment of Mathematics, Princeton University Press (1970)