E. Portnoy

Bivariate Schuette Graduation

E. Portnoy, 1994 .

Riemann's contribution to differential geometry

E. Portnoy, 1982 .

TRANSITIVE GROUPS OF ISOMETRIES ON H n

E. Portnoy, 1981 .

Bootstrapping a Graduation

Esther Portnoy, E. Portnoy, 1987 .