@article{MM2_1991__71_3_251763,
     author = {Takao Kato and Marc Coppens},
     title = {Correction to the gonality of smooth curves with plane models.},
     journal = {Manuscripta mathematica},
     pages = {337--338},
     year = {1991},
     volume = {71},
     number = {3},
     zbl = {0725.14005},
     url = {http://geodesic.mathdoc.fr/item/MM2_1991__71_3_251763/}
}