@article{MZ_1988__200_3_173995,
     author = {J. Bolton and L.M. Woodward},
     title = {On the {Simon} {Conjecture} for {Minimal} {Immersions} with {S1-symmetry.}},
     journal = {Mathematische Zeitschrift},
     pages = {111--122},
     year = {1988},
     volume = {200},
     number = {3},
     zbl = {0641.53058},
     url = {http://geodesic.mathdoc.fr/item/MZ_1988__200_3_173995/}
}