Chen, J. A note on approximating graph genus. Information processing letters..
Cita Chicago (17th ed.)Chen, Jianer. "A Note on Approximating Graph Genus." Information Processing Letters. .
Cita MLA (9th ed.)Chen, Jianer. "A Note on Approximating Graph Genus." Information Processing Letters., .
Atenció: Aquestes cites poden no estar 100% correctes.