AnintrinsicHarnackestimateandsomesup-estimatesareestablishedfornonnegativeweaksolutionsofequationsofnon-Newtonianpolytropicfiltrationut-div(|Dum|p-2Dum)=0,m(p-1)<1,m>0,p>1.
数学年刊:B辑英文版
2001年1期