Find the Vector function that represents the curve of the intersection of the two surfaces.  The Semiellipsoid x^2+y^2+4z^2=4, y is more than 0, and the cylinder x^2+z^2=1

Question

Find the Vector function that represents the curve of the intersection of the two surfaces.

The Semiellipsoid x^2+y^2+4z^2=4, y is more than 0, and the cylinder x^2+z^2=1