# Cubic surface with 4 real double points

### Model 150

### Description

Cubic surface with 4 real double points (like model 136).

Showcase of this model is Case number 4

### References

*Separataband M1 im Mathematischen Institut* p. 37-38.

Cubic surface with 4 real double points (like model 136).

Showcase of this model is Case number 4

*Separataband M1 im Mathematischen Institut* p. 37-38.