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Regularity and singularity of one dimensional stationary integral varifolds on manifolds arising from variational methods in the large. (English) Zbl 0312.49017
Symp. math. 14, Geom. simplett. Fis. mat., Teor. geom. Integr. Var. minim., Convegni 1973, 465-472 (1974).

49Q15 Geometric measure and integration theory, integral and normal currents in optimization
58A25 Currents in global analysis