\input zb-basic
\input zb-ioport
\iteman{io-port 06077402}
\itemau{Jafari Rad, Nader; Volkmann, Lutz}
\itemti{Roman bondage in graphs.}
\itemso{Discuss. Math., Graph Theory 31, No. 4, 763-773 (2011).}
\itemcc{}
\itemut{domination; Roman domination; Roman bondage number}
\itemli{doi:10.7151/dmgt.1578}
\end