%0 Journal Article %A Shlapunov, A. %T Spectral decomposition of Green’s integrals and existence of $W^{s,2}$-solutions of matrix factorizations of the Laplace operator in a ball %J Rendiconti del Seminario Matematico della Università di Padova %D 1996 %P 237-256 %V 96 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1996__96__237_0/ %G en %F RSMUP_1996__96__237_0