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@article{KJM_2003_25_a12, author = {S. Haesen and A. \v{S}ebekovi\'c and L. Verstraelen}, title = {Relations between intrinsic and extrinsic curvatures}, journal = {Kragujevac Journal of Mathematics}, pages = {139 }, publisher = {mathdoc}, volume = {25}, year = {2003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KJM_2003_25_a12/} }
S. Haesen; A. Šebeković; L. Verstraelen. Relations between intrinsic and extrinsic curvatures. Kragujevac Journal of Mathematics, Tome 25 (2003), p. 139 . http://geodesic.mathdoc.fr/item/KJM_2003_25_a12/