Tutte's 3-flow Conjecture and Matchings in Bipartite Graphs. - Candida Nunes da Silva; Ricardo Dahab (Electron. Notes Discret. Math., 2001)

3-flow Conjecture and Matchings in Bipartite Graphs. - Candida Nunes da Silva; Ricardo Dahab (Ars Comb., 2005)

Nowhere-zero flows and colorings of graphs. - Candida Nunes da Silva (2009)