@article{MOMA_1994__118_3-4_178657,
     author = {Karma Dajani and Cor Kraaikamp},
     title = {Generalization of a {Theorem} of {Kusmin.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {55--74},
     publisher = {mathdoc},
     volume = {118},
     number = {3-4},
     year = {1994},
     zbl = {0819.11028},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1994__118_3-4_178657/}
}