Curvature on algebraic plane curves. I
Compositio Mathematica, Volume 35 (1977) no. 1, p. 57-63
@article{CM_1977__35_1_57_0,
     author = {Ness, Linda},
     title = {Curvature on algebraic plane curves. I},
     journal = {Compositio Mathematica},
     publisher = {Noordhoff International Publishing},
     volume = {35},
     number = {1},
     year = {1977},
     pages = {57-63},
     zbl = {0369.32003},
     mrnumber = {453752},
     language = {en},
     url = {http://www.numdam.org/item/CM_1977__35_1_57_0}
}
Ness, Linda. Curvature on algebraic plane curves. I. Compositio Mathematica, Volume 35 (1977) no. 1, pp. 57-63. http://www.numdam.org/item/CM_1977__35_1_57_0/

[1] W. Fulton, Algebraic Curves. Benjamin, 1969. | MR 313252 | Zbl 0181.23901

[2] S. Kobayashi and K. Nomizu: Foundations of Differential Geometry II.I Interscience Publishers, 1969. | Zbl 0175.48504

[3] Encyklopadie der Mathematischen Wissenschaften: Geometrie. III.C.4 Teubner, Leipzig, 1903-1915, pp. 339-342.