Volume 101, Issue 2, March 1975

## The $P(\phi)_2$ Euclidean quantum field theory as classical statistical mechanics. Part II

Pages 191-259 by Francesco Guerra, Lon Rosen, Barry Simon

## Correlation inequalities and the mass gap in $P(\phi)_2$.: II. Uniqueness of the vacuum for a class of strongly coupled theories

Pages 260-267 by Barry Simon

## Correspondance entre algèbres de Lie abstraites et pseudo-groupes de Lie transitifs

Pages 268-279 by Alexandre M. Rodrigues, Alexis Petitjean

## On the index of $p$-adic differential operators. I

Pages 280-316 by Philippe Robba

## Existence and conformal deformation of metrics with prescribed Gaussian and scalar curvatures

Pages 317-331 by Jerry L. Kazdan, Frank W. Warner

## Higher congruences between modular forms

Pages 332-367 by Nicholas M. Katz

## Errata to “Structural stability of vector fields”

Pages 368-368 by Clark Robinson

## Foliated bundles, invariant measures and flat manifolds

Pages 369-390 by Morris W. Hirsch, William P. Thurston