Geodesic
Special Quartics with Triple Points
Journal for geometry and graphics, Tome 6 (2002) no. 2, pp. 111-12 Cet article a éte moissonné depuis la source Heldermann Verlag

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This paper deals with a special class of 4th-order surfaces in the 3-dimensional Euclidean space. The surfaces of this class contain the absolute conic, a double straight line and triple points. It is shown that such surfaces may contain on the double line at least two real triple points which are classified according to the type of their tangent cones. The selected examples of the surfaces are displayed using the program Mathematica 4.1. Keywords: Algebraic surfaces of 4th order, triple point. Classification: 51N35. 
@article{JGG_2002_6_2_a0,
     author = {S. Gorjanc},
     title = {Special {Quartics} with {Triple} {Points}},
     journal = {Journal for geometry and graphics},
     pages = {111--12},
     year = {2002},
     volume = {6},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JGG_2002_6_2_a0/}
}
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S. Gorjanc. Special Quartics with Triple Points. Journal for geometry and graphics, Tome 6 (2002) no. 2, pp. 111-12. http://geodesic.mathdoc.fr/item/JGG_2002_6_2_a0/