@article{10_4064_cm_41_2_345_351,
     author = {B. J. Gardner},
     title = {Multiple radical theories},
     journal = {Colloquium Mathematicum},
     pages = {345--351},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1979},
     doi = {10.4064/cm-41-2-345-351},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-41-2-345-351/}
}