1. Bemelmans, J., Dierkes, U.: On a singular variational integral with linear growth, I: existence and regularity of minimizers. Arch. Rat Mech. Anal.100 (1987), 83?103
2. Dierkes, U.: Minimal hypercones and C0,1/2-minimizers for a singular variational problem. To appear in Indiana University Math. Journ.
3. Dierkes, U.: Boundary regularity for solutions of a singular variational problem with linear growth. To appear in Arch. Rat. Mech. Anal.
4. Simoes, P.A.Q.: A class of minimal cones in ?n, n?8 that minimize area. Ph.D. thesis, University of California, Berkeley, CA 1973