The Grothendieck ring of the category of endomorphisms

Generalizations of the notion of class group

Luther Claborn, Robert M. Fossum · Illinois Journal of Mathematics · 1968 · 37 citations · Full text

Natural Sciences, Mathematics, Set Theory +6

Euler characteristics

J. L. Kelley, Edwin H. Spanier · Pacific Journal of Mathematics · 1968 · 33 citations · Full text

Some exact sequences in algebraic K-theory

Alex Heller · Topology · 1965 · 32 citations

Natural Sciences, Mathematics, Algebra +9