@article{AFM_1999_24_2_a0,
     author = {J.W. Cannon and W.J. Floyd and W.R. Parry},
     title = {Sufficiently rich families of planar rings},
     journal = {Annales Fennici Mathematici},
     pages = {265--304},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1999_24_2_a0/}
}