no. 1
Curvature on algebraic plane curves. I
Compositio Mathematica, Tome 35 (1977) no. 1, pp. 57-63
partie suivante Curvature on holomorphic plane curves. II 
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     author = {Ness, Linda},
     title = {Curvature on algebraic plane curves. {I}},
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Ness, Linda. Curvature on algebraic plane curves. I. Compositio Mathematica, Tome 35 (1977) no. 1, pp. 57-63. https://www.numdam.org/item/CM_1977__35_1_57_0/

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

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

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