@article{10_2298_FIL2302443K,
     author = {Sonia Keskes and Maher Mnif},
     title = {Representation of essentially semi regular linear relations and perturbations},
     journal = {Filomat},
     pages = {443 },
     year = {2023},
     volume = {37},
     number = {2},
     doi = {10.2298/FIL2302443K},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2302443K/}
}