%0 Journal Article %A Sjögren, Peter %T Harmonic spaces associated with adjoints of linear elliptic operators %J Annales de l'Institut Fourier %D 1975 %P 509-518 %V 25 %N 3-4 %I Institut Fourier %C Grenoble %U http://www.numdam.org/articles/10.5802/aif.595/ %R 10.5802/aif.595 %G en %F AIF_1975__25_3-4_509_0