Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1977_7_Nonea_4, author = {Nikoli\'c-Despotovi\'c Danica}, title = {On the convergence of the series of rational operators}, journal = {Novi Sad Journal of Mathematics}, pages = {29-35}, publisher = {mathdoc}, volume = {7}, year = {1977}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1977_7_Nonea_4/} }
Nikolić-Despotović Danica. On the convergence of the series of rational operators. Novi Sad Journal of Mathematics, Tome 7 (1977). http://geodesic.mathdoc.fr/item/NSJOM_1977_7_Nonea_4/