@article{10_2298_FIL2208657A,
     author = {Abdelhalim Azzouz and Mahamed Beghdadi and Bilel Krichen},
     title = {Generalized relative essential spectra},
     journal = {Filomat},
     pages = {2657 },
     year = {2022},
     volume = {36},
     number = {8},
     doi = {10.2298/FIL2208657A},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2208657A/}
}