@article{10_1017_S001708950000197X,
     author = {Maclachlan, C.},
     title = {On {Schoeneberg's} theorem},
     journal = {Glasgow mathematical journal},
     pages = {202--204},
     year = {1973},
     volume = {14},
     number = {2},
     doi = {10.1017/S001708950000197X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950000197X/}
}