@article{10_4064_sm_30_1_101_110,
     author = {I. Suciu},
     title = {On the semi-groups of isometries},
     journal = {Studia Mathematica},
     pages = {101--110},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1968},
     doi = {10.4064/sm-30-1-101-110},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-30-1-101-110/}
}