JournalsrmiVol. 7, No. 3Volume 7, No. 3 (1991) Revista Matemática Iberoamericanapp. 221–246Covering Lemmas and HMO Estimates for Eigenfunctions on Riemannian SurfacesGuozhen Lupp. 247–286Mean value and Harnack inequalities for a certain class of degenerate parabolic equationsJose D. Fernandespp. 287–312Analytic Dependence of Orthogonal PolynomialsEnrico Laengpp. 313–349Harnack Inequality and Green Function for a Certain Class of Degenerate Elliptic Differential OperatorsOscar Salinas
pp. 247–286Mean value and Harnack inequalities for a certain class of degenerate parabolic equationsJose D. Fernandes
pp. 313–349Harnack Inequality and Green Function for a Certain Class of Degenerate Elliptic Differential OperatorsOscar Salinas