Dairbekov N.S.Penkin O.M.Savasteev D.V.2025-08-252025-08-252023Dairbekov N.S , Penkin O.M , Savasteev D.V / HARNACK’S INEQUALITY FOR HARMONIC FUNCTIONS ON STRATIFIED SETS / Siberian Mathematical Journal / 20230037–4466https://repository.sdu.edu.kz/handle/123456789/1950We prove Harnack’s inequality for nonnegative harmonic functions in the sense of the “soft” Laplacian on a stratified set with flat strata.ensoft Laplacianstratified measuremean value theoremArticle