@inproceedings{temple1931invariants,
title={Invariants associated with singularities of algebraic curves},
author={Temple Rice Hollcroft},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203056367222468},
booktitle={Acta Mathematica},
volume={56},
number={1},
pages={261-272},
year={1931},
}
Temple Rice Hollcroft. Invariants associated with singularities of algebraic curves. 1931. Vol. 56. In Acta Mathematica. pp.261-272. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203056367222468.