1. Fuchs M., p-harmonic obstacle problems, Part I: Partial regularity theory. (To appear in Annali Mat. pura appl.)
2. p-harmonic obstacle problems, Part II: Extensions of maps and applications;Fuchs;Manuscripta math.,1989
3. Fuchs M., p-harmonic obstacle problems, Part III: Boundary regularity. (To appear in Annali Mat. pura appl.)
4. Everywhere regularity theorems for mappings which minimize p-energy;Fuchs;Commentat. math. Univ. Carol.,1987
5. A Liouville theorem for mappings which minimize p-energy;Fuchs;Boll. Un. mat. Ital.,1988