1. A. Garsia,The calculation of conformal parameters for some imbedded Riemann surfaces, Pacific Journal of Mathematics Vol. 10 (1960) pp. 121–165.
2. A. Garsia and E. Rodemich,An embedding of Riemann surfaces of genus one (to appear).
3. E. Cartan,Oeuvres complètes, Paris: Gauthier-Villars, 1955; Vol. 2 part III, pp. 1701–1726.
4. Cahiers Scientifiques;R. Lagrange,1957
5. P. M. Pu,Some inequalities in certain nonorientable Riemannian manifolds. Pacific Journal of Mathematics Vol. II, (1952), pp. 55–71.