@article{ZR_2022_20_28_a3,
     author = {Sne\v{z}ana \v{C}. \v{Z}ivkovi\'c-Zlatanovi\'c},
     title = {An {Introduction} into {Fredholm} {Theory} and {Generalized} {Drazin-Riesz} {Invertible} {Operators}},
     journal = {Zbornik radova},
     pages = {113 },
     publisher = {mathdoc},
     volume = {20},
     number = {28},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZR_2022_20_28_a3/}
}