Nordstrand's Weird Surface
"Nordstrand's weird surface" is an attractive quartic surface given by the implicit equation
![25[x^3(y+z)+y^3(x+z)+z^3(x+y)]+50(x^2y^2+x^2z^2+y^2z^2)-125(x^2yz+y^2xz+z^2xy)+60xyz-4(xy+xz+yz)=0.](/National_Library/20160521004321im_/http://mathworld.wolfram.com/images/equations/NordstrandsWeirdSurface/NumberedEquation1.gif) |
It has 11 ordinary double points located at 
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and 
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Nordstrand's Weird Surface
"Nordstrand's weird surface" is an attractive quartic surface given by the implicit equation
It has 11 ordinary double points located at Wolfram Web Resources
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