@article{10_4153_CJM_1969_102_7,
     author = {Kaul, S. K.},
     title = {On a {Transformation} {Group}},
     journal = {Canadian journal of mathematics},
     pages = {935--941},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-102-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-102-7/}
}