@article{10_5817_AM2022_4_199,
     author = {Bouchal, Lydia and Mebarki, Karima and Georgiev b , Svetlin Georgiev},
     title = {Positive solutions for a class of non-autonomous second order difference equations via a new functional fixed point theorem},
     journal = {Archivum mathematicum},
     pages = {199--211},
     publisher = {mathdoc},
     volume = {58},
     number = {4},
     year = {2022},
     doi = {10.5817/AM2022-4-199},
     mrnumber = {4529813},
     zbl = {07655743},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5817/AM2022-4-199/}
}