%0 Journal Article %A Leif Arkeryd %T On Lp Estimates for Quasi-Elliptic Boundary Problems. %J Mathematica Scandinavica %D 1969 %P 141-144 %V 24 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1969__24_166086/ %F MS2_1969__24_166086