Borchers, A. The k-steiner ratio in graphs. SIAM journal on computing..
Cita Chicago (17th ed.)Borchers, Al. "The K-steiner Ratio in Graphs." SIAM Journal on Computing. .
Cita MLA (9th ed.)Borchers, Al. "The K-steiner Ratio in Graphs." SIAM Journal on Computing., .
Atenció: Aquestes cites poden no estar 100% correctes.