Cite
On the Complexity of Planar Covering of Small Graphs
MLA
Bílka, Ondřej, et al. On the Complexity of Planar Covering of Small Graphs. 2011. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsarx&AN=edsarx.1108.0064&authtype=sso&custid=ns315887.
APA
Bílka, O., Jirásek, J., Klavík, P., Tancer, M., & Volec, J. (2011). On the Complexity of Planar Covering of Small Graphs.
Chicago
Bílka, Ondřej, Jozef Jirásek, Pavel Klavík, Martin Tancer, and Jan Volec. 2011. “On the Complexity of Planar Covering of Small Graphs.” http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsarx&AN=edsarx.1108.0064&authtype=sso&custid=ns315887.