Positivity of the heat kernel for ultraspherical polynomials and similar functions Salomon Bochner OriginalPaper Pages: 211 - 217
A Theory of constrained mixtures with multiple temperatures Ray M. Bowen OriginalPaper Pages: 235 - 250
The role of Fredholm conditions in signorin's perturbation method G. CaprizP. Podio Guidugli OriginalPaper Pages: 261 - 288