Fossum, R. M., Griffiths, P. A., & Reiten, I. (1975). Trivial extension of Abelian categories: Homological algebra of trivial extensions of Abelian categories with applications to ring theory. Springer.
Chicago Style (17th ed.) CitationFossum, Robert Merle, Phillip Augustus Griffiths, and Idun Reiten. Trivial Extension of Abelian Categories: Homological Algebra of Trivial Extensions of Abelian Categories with Applications to Ring Theory. Berlin: Springer, 1975.
MLA (9th ed.) CitationFossum, Robert Merle, et al. Trivial Extension of Abelian Categories: Homological Algebra of Trivial Extensions of Abelian Categories with Applications to Ring Theory. Springer, 1975.