@article{10_4064_cm_17_1_29_34,
     author = {J: Acz\'el and A. D. Wallace},
     title = {A note on generalizations of transitive systems of transformations},
     journal = {Colloquium Mathematicum},
     pages = {29--34},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1967},
     doi = {10.4064/cm-17-1-29-34},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-17-1-29-34/}
}