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Communicated by Robert Hardt
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Ambrosio, L., Gobbino, M. & Pallara, D. Approximation problems for curvature varifolds. J Geom Anal 8, 1–19 (1998). https://doi.org/10.1007/BF02922105
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DOI: https://doi.org/10.1007/BF02922105