Zero-Sum Flows in Regular Graphs. - Saieed Akbari; Akbar Daemi; Omid Hatami; Adel Javanmard; Abbas Mehrabian (Graphs Comb., 2010)

Nowhere-zero Unoriented Flows in Hamiltonian Graphs. - Saieed Akbari; Akbar Daemi; Omid Hatami; Adel Javanmard; Abbas Mehrabian (Ars Comb., 2015)