@article{RSMUP_1996__96__237_0,
     author = {Shlapunov, A.},
     title = {Spectral decomposition of {Green{\textquoteright}s} integrals and existence of $W^{s,2}$-solutions of matrix factorizations of the {Laplace} operator in a ball},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {237--256},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {96},
     year = {1996},
     mrnumber = {1438300},
     zbl = {0955.35017},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1996__96__237_0/}
}