@article{JNSA_2012_5_6_a4,
     author = {Fares, Ali and Ayad, Ali},
     title = {Solvability of infinite differential systems of the form \(x' (t) {=Tx(t)+b\)} where {\(T\)} is either of the triangles {\(C(\lambda)\)} or {\(\overline{N}_} q\) },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {448-458},
     publisher = {mathdoc},
     volume = {5},
     number = {6},
     year = {2012},
     doi = {10.22436/jnsa.005.06.05},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.005.06.05/}
}