@article{MS2_1967__21_166012,
     author = {P.M. Rice},
     title = {Circular {Flows} on {S3.}},
     journal = {Mathematica Scandinavica},
     pages = {128--135},
     publisher = {mathdoc},
     volume = {21},
     year = {1967},
     zbl = {0172.25502},
     url = {http://geodesic.mathdoc.fr/item/MS2_1967__21_166012/}
}