@article{10_4064_ap_30_2_219_224,
     author = {B. A. Reznick},
     title = {A uniqueness criterion for fractional iteration},
     journal = {Annales Polonici Mathematici},
     pages = {219--224},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1974},
     doi = {10.4064/ap-30-2-219-224},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-30-2-219-224/}
}