A normal form for elliptic curves

Harold M. Edwards
2007 Bulletin of the American Mathematical Society  
The normal form x 2 +y 2 = a 2 +a 2 x 2 y 2 for elliptic curves simplifies formulas in the theory of elliptic curves and functions.
doi:10.1090/s0273-0979-07-01153-6 fatcat:eujdwihsendvvjd6ipjykt7x4y