@article{10_2298_FIL2209921A,
     author = {Fai\c{c}al Abdmouleh and Teresa Alvarez and Aref Jeribi},
     title = {On a characterization of the essential spectra},
     journal = {Filomat},
     pages = {2921 },
     year = {2022},
     volume = {36},
     number = {9},
     doi = {10.2298/FIL2209921A},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2209921A/}
}