Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1982__18_4_a2, author = {Le\v{s}ovsk\'y, Vladim{\'\i}r}, title = {Deviation of two curvatures}, journal = {Archivum mathematicum}, pages = {183--186}, publisher = {mathdoc}, volume = {18}, number = {4}, year = {1982}, mrnumber = {685802}, zbl = {0513.53040}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1982__18_4_a2/} }
Lešovský, Vladimír. Deviation of two curvatures. Archivum mathematicum, Tome 18 (1982) no. 4, pp. 183-186. http://geodesic.mathdoc.fr/item/ARM_1982__18_4_a2/