@article{,
    AUTHOR = {G{\l}azowska, Dorota and Matkowski, Janusz},
     TITLE = {Subcommuting and commuting real homographic functions},
   JOURNAL = {Journal of Difference Equations and Applications},
    VOLUME = {22},
      YEAR = {2016},
    NUMBER = {2},
     PAGES = {177-187},
}