%0 Journal Article %A Nadhir Bendrici %A Malika Boumedien-Zidani %T Differential geometry properties by using the perturbation methods %J Annales mathematicae et informaticae %D 2022 %P 1-11 %V 55 %U http://geodesic.mathdoc.fr/articles/10.33039/ami.2022.10.002/ %R 10.33039/ami.2022.10.002 %G en %F AMI_2022_55_a0