MathSciDoc: An Archive for Mathematician ∫

@inproceedings{martin1980subanalytic,
  title={Subanalytic sets in the calculus of variation},
  author={Martin Tamm},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203253750200292},
  booktitle={Acta Mathematica},
  volume={146},
  number={1},
  pages={167-199},
  year={1980},
}