no. 1
Curvature computations on surfaces in n-space
ESAIM: Modélisation mathématique et analyse numérique, Tome 26 (1992) no. 1, pp. 95-112. 
@article{M2AN_1992__26_1_95_0,
     author = {Chuang, J.-H. and Hoffmann, Ch. M.},
     title = {Curvature computations on surfaces in $n$-space},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {95--112},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {26},
     number = {1},
     year = {1992},
     mrnumber = {1155002},
     zbl = {0752.65104},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1992__26_1_95_0/}
}
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Chuang, J.-H.; Hoffmann, Ch. M. Curvature computations on surfaces in $n$-space. ESAIM: Modélisation mathématique et analyse numérique, Tome 26 (1992) no. 1, pp. 95-112. http://www.numdam.org/item/M2AN_1992__26_1_95_0/

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