@article{MS2_1955__3_165588,
     author = {HERBERT BUSEMANN and FLEMMING P. PEDERSEN},
     title = {Tori with one-parameter groups of motions},
     journal = {Mathematica Scandinavica},
     pages = {209--220},
     publisher = {mathdoc},
     volume = {3},
     year = {1955},
     zbl = {0068.36405},
     url = {http://geodesic.mathdoc.fr/item/MS2_1955__3_165588/}
}