Transactions of the American Mathematical Society · 1947 · 60 citations · 13 references
Natural SciencesMathematicsAlgebraAbstract AlgebraCommutative AlgebraGroup IdentityGroup Theory
is pertinent.The "group ring" considered in [30] consists of the present group algebra modified, in case it does not contain an identity, by the adjunction of an identity.
13
The Fourier Integral: and certain of its Applications
Nature · 1933 · 852 citations
On the characteristic values of linear integral equations
Einar Hille, J. D. Tamarkin · Acta Mathematica · 1931 · 125 citations · Full text