Free access
Volume 16, Number 3, July-September 2010
Page(s) 648 - 676
Published online 02 July 2009
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  4. P. Freitas, Upper and lower bounds for the first Dirichlet eigenvalue of a triangle. Proc. Amer. Math. Soc. 134 (2006) 2083–2089. [CrossRef] [MathSciNet]
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