@article{AMI_1999_26_a12,
     author = {B\'alint Szepessy},
     title = {On the fix point of order 2n},
     journal = {Annales mathematicae et informaticae},
     pages = {99--103},
     year = {1999},
     volume = {26},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_1999_26_a12/}
}