@article{10_4064_sm172_1_1,
     author = {Karin Reinhold},
     title = {JOP's counting function  and {Jones'} square function},
     journal = {Studia Mathematica},
     pages = {1--23},
     year = {2006},
     volume = {172},
     number = {1},
     doi = {10.4064/sm172-1-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm172-1-1/}
}