Transactions of the AMS. Year 1941. Volume 049. Number 01.


Two-to-one transformations on 2-manifolds
Venable Martin; J. H. Roberts
1-17


The integral representation of weakly almost-periodic transformations in reflexive vector spaces
Edgar R. Lorch
18-40


General combinatorial topology
Paul Alexandroff
41-105


Products of normal semi-fields
Albert Neuhaus
106-121


The accuracy of the Gaussian approximation to the sum of independent variates
Andrew C. Berry
122-136


Minimal positive harmonic functions
Robert S. Martin
137-172