@article{BASM_2009_1_a4,
     author = {D. Cheban and C. Mammana and E. Michetti},
     title = {Global attractors of non-autonomous difference equations},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {45--57},
     publisher = {mathdoc},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2009_1_a4/}
}