APA-Zitierstil (7. Ausg.)

Friedman, J. (2015). Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture. American Math. Soc.

Chicago-Zitierstil (17. Ausg.)

Friedman, Joel. Sheaves on Graphs, Their Homological Invariants, and a Proof of the Hanna Neumann Conjecture. Providence, RI: American Math. Soc, 2015.

MLA-Zitierstil (9. Ausg.)

Friedman, Joel. Sheaves on Graphs, Their Homological Invariants, and a Proof of the Hanna Neumann Conjecture. American Math. Soc, 2015.