@article{TAM_2021_48_2_a10,
     author = {Svetlin Georgiev and Karima Mebarki and Khaled Zennir},
     title = {Classical solutions for a class of nonlinear wave equations},
     journal = {Theoretical and applied mechanics},
     pages = {257 - 272},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2021},
     url = {http://geodesic.mathdoc.fr/item/TAM_2021_48_2_a10/}
}