@article{MS2_1971__29_166200,
     author = {Nils Ovrelid},
     title = {Integral {Representation} {Formulas} and {Lp-Estimates} for the {...-Equation.}},
     journal = {Mathematica Scandinavica},
     pages = {137--160},
     publisher = {mathdoc},
     volume = {29},
     year = {1971},
     zbl = {0227.35069},
     url = {http://geodesic.mathdoc.fr/item/MS2_1971__29_166200/}
}