Transactions of the AMS. Year 1921. Volume 022. Number 02.


On division algebras
J. H. M. Wedderburn
129-135


Oscillation theorems for the real, self-adjoint linear system of the second order
H. J. Ettlinger
136-143


New proofs of certain finiteness theorems in the theory of modular covariants
Olive C. Hazlett
144-157


On the convergence of certain trigonometric and polynomial approximations
Dunham Jackson
158-166


Determination of all general homogeneous polynomials expressible as determinants with linear elements
Leonard Eugene Dickson
167-179


Pseudo-canonical forms and invariants of systems of partial differential equations
Alfred L. Nelson
180-197


Arithmetical paraphrases. II
E. T. Bell
198-219


On the zeros of solutions of homogeneous linear differential equations
Clarence N. Reynolds
220-229


A generalization of the Fourier cosine series
J. L. Walsh
230-239


Polynomials and their residue systems
Aubrey J. Kempner
240-266