1. Inequalities for the First Eigenvalues of the Clamped Plate and Buckling Problems;Ashbaugh,1997
2. On the isoperimetric inequality for the buckling of a clamped plate;Ashbaugh;Z. Angew. Math. Phys.,2003
3. Fundamental tones and buckling loads of clamped plates;Ashbaugh;Ann. Sc. Norm. Super. Pisa, Cl. Sci.,1996
4. Diffusion hypercontractives;Bakry,1985