Title of article :
Counting acyclic digraphs by sources and sinks
Author/Authors :
Chak-On Chow and Ira M. Gessel، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1996
Abstract :
We count labeled acyclic digraphs according to the number sources, sinks, and edges.
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics
