@article{AM2_1995__50_1-2_137620,
     author = {Gy\"orgy Targonski},
     title = {Progress of iteration theory since 1981.},
     journal = {Aequationes mathematicae},
     pages = {50--72},
     publisher = {mathdoc},
     volume = {50},
     number = {1-2},
     year = {1995},
     zbl = {0860.39029},
     url = {http://geodesic.mathdoc.fr/item/AM2_1995__50_1-2_137620/}
}