@article{10_4153_CJM_2009_038_x,
     author = {Zelenyuk, Yevhen},
     title = {Regular {Homeomorphisms} of {Finite} {Order} on {Countable} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {708--720},
     year = {2009},
     volume = {61},
     number = {3},
     doi = {10.4153/CJM-2009-038-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2009-038-x/}
}