@article{AMI_2022_55_a0,
     author = {Nadhir Bendrici and Malika Boumedien-Zidani},
     title = {Differential geometry properties by using the perturbation methods},
     journal = {Annales mathematicae et informaticae},
     pages = {1--11},
     year = {2022},
     volume = {55},
     doi = {10.33039/ami.2022.10.002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.33039/ami.2022.10.002/}
}