@article{SM_2002_193_7_a2,
     author = {V. V. Goryainov},
     title = {Koenigs function and fractional iterates of probability generating functions},
     journal = {Sbornik. Mathematics},
     pages = {1009--1025},
     publisher = {mathdoc},
     volume = {193},
     number = {7},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2002_193_7_a2/}
}