## Contents of Volume 83, Number 6

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- Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 83, Number 6 (1977)
- Bull. Amer. Math. Soc.
**83**(1977)

- Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 83, Number 6 (1977)
- Bull. Amer. Math. Soc.
**83**(1977)

- Quasiconformal mappings, with applications to differential equations, function theory and topology
- Lipman Bers PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1083-1100

- General relativity and cosmology
- R. K. Sachs and H. Wu PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1101-1164

- Internal set theory: A new approach to nonstandard analysis
- Edward Nelson PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1165-1198

- A rough fundamental domain for Teichmüller spaces
- Linda Keen PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1199-1226

- Practical and mathematical aspects of the problem of reconstructing objects from radiographs
- Kennan T. Smith, Donald C. Solmon and Sheldon L. Wagner PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1227-1270

- Finite groups viewed locally
- J. L. Alperin PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1271-1285

- Noncommutative ergodic theorems
- J. P. Conze and N. Dang Ngoc PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1297-1299

- Two proofs of the stable Adams conjecture
- Eric M. Friedlander and R. M. Seymour PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1300-1302

- Hermitian forms and higher algebraic $K$-theory
- Charles H. Giffen PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1303-1305

- The eigenvalue spectrum as moduli for compact Riemann surfaces
- Scott Wolpert PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1306-1308

- Affine ${\text {PI}}$ rings are catenary
- W. Schelter PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1309-1310

- Derivatives of polynomials of best approximation
- J. Tzimbalario PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1311-1312

- The signature of smoothings of higher dimensional singularities
- Stephen Shing-Toung Yau PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1313-1315

- On the singularities of nonlinear Fredholm operators
- M. S. Berger and R. A. Plastock PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1316-1318

- The functions operating on homogeneous Banach algebras
- Misha Zafran PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1319-1320

- Determination of the augmentation terminal for finite abelian groups
- Michael Singer PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1321-1322

- Index to volume 83
- Bull. Amer. Math. Soc.
**83**(1977), 1323-1330

##
Book Reviews

Book reviews do not contain an abstract. You may
download each review in this issue using the links
below.

- Modern algebra with applications, by William J. Gilbert.
- Reviewer: I. N. Herstein

- Review information PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1286-1289

- Integral geometry and geometric probability, by Luis A. Santaló.
- Reviewer: S. S. Chern

- Review information PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1289-1290

- Methods of accelerated convergence in nonlinear mechanics, by N. N. Bogoljubov, Ju. A. Mitropoliskii and A. M. Samoilenko.
- Reviewer: Jürgen Moser

- Review information PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1290-1293

- Ergodic theory on compact spaces, by Manfred Denker, Christian Grillenberger and Karl Sigmund.
- Ergodic theory and topological dynamics, by James R. Brown.
- Reviewer: K. Jacobs

- Review information PDF
- Bull. Amer. Math. Soc.
**83**(1977), 1294-1296