%0 Journal Article %A Simpson, Henry C. %A Spector, Scott J. %T A product property of Sobolev spaces with application to elliptic estimates %J Rendiconti del Seminario Matematico della Università di Padova %D 2014 %P 67-76 %V 131 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_2014__131__67_0/ %G en %F RSMUP_2014__131__67_0