海量图书期刊资源,随时随地畅享阅读乐趣
Arithmetical functions of finite abelian groupsEckford Cohen · 1961
Trigonometric Sums in Elementary Number TheoryEckford Cohen · The American Mathematical Monthly · 1959
Representations by Cubic CongruencesEckford Cohen · Proceedings of the National Academy of Sciences of the United States of America · 1953
Errata: Arithmetical NotesEckford Cohen · American Journal of Mathematics · 1963
special quadratic formsCarlitz, L.; Cohen, Eckford · Duke Mathematical Journal · 1948
An extension of Ramanujan?s sumCohen, Eckford · Duke Mathematical Journal · 1949
Rings of arithmetic functionsCohen, Eckford · Duke Mathematical Journal · 1952
of quadratic congruencesCohen, Eckford · Duke Mathematical Journal · 1954
Front MatterThe American Mathematical Monthly · 2011
Front MatterThe American Mathematical Monthly · 2012
The Mathematics of DoodlingRavi Vakil · The American Mathematical Monthly · 2011
What Does the Spectral Theorem Say?P. R. Halmos · The American Mathematical Monthly · 1963
Hilbert's Tenth Problem is UnsolvableMartin Davis · The American Mathematical Monthly · 1973
The Transcendence of πIvan Niven · The American Mathematical Monthly · 1939
The D'Alembert Functional EquationF. J. Papp · The American Mathematical Monthly · 1985
Most Monotone Functions are SingularTudor Zamfirescu · The American Mathematical Monthly · 1981