1. Fatou theorems for the eigenfunctions of the Laplace-Beltrami operator.;Linden,1977
2. P. Sjögren, Fatou theorems and maximal functions for eigen-functions of the Laplace-Beltrami operator in a bidisk. To appear in J. reine angew. Math.
3. P. Sjögren, A Fatou theorem for eigenfunctions of the Laplace-Beltrami operator in a symmetric space. Dept. of Math., Chalmers University of Technology and the University of Goteborg, Report 1983–6.