Implicit curves and surfaces in CAGD
        
        
            
            
            
            
            
            
            Christoph M Hoffmann
            
            
            
            
        
        
        
            IEEE Computer Graphics and Applications - 1993
            
        
        
        
            IEEE Computer Graphics and Applications - 1993
        
        
        Hoffmann, Christoph M. “Implicit Curves and Surfaces in CAGD.” IEEE Computer Graphics and Applications, vol. 13, no. 1, 1993, pp. 79–88, https://doi.org/10.1109/38.180121.
        @article{hoffmann1993implicit,
  title = {Implicit curves and surfaces in CAGD},
  author = {Hoffmann, Christoph M},
  journal = {IEEE Computer Graphics and Applications},
  volume = {13},
  number = {1},
  pages = {79--88},
  year = {1993},
  publisher = {IEEE},
  doi = {10.1109/38.180121},
  pdf = {Hoffmann-IEEE-1993-Implicit_Curves_and_Surfaces_in_CAGD.pdf}
}