\input zb-basic
\input zb-ioport
\iteman{io-port 04108808}
\itemau{Chao, Chong-Yun; Zhang, Hong}
\itemti{Applications of P\'olya's theorem to some classes of graphs.}
\itemso{Southeast Asian Bull. Math. 13, No.1, 19-25 (1989).}
\itemab
Author's abstract: ``We apply P\'olya's theorem of enumeration to graphs with rooted trees attached, as well as to digraphs with oriented trees attached.''
\itemrv{E.M.Palmer}
\itemcc{}
\itemut{P\'olya's theorem; enumeration; graphs with rooted trees; digraphs with oriented trees}
\itemli{}
\end