Jørgen Bang-Jensen, Gregory Gutin <br/><br/>
Classes of Directed Graphs 

 - 1st ed. 2018 
 -  Springer International Publishing  2018 
 - Springer Monographs in Mathematics .
<br/><br/><label>ISBN: </label>978-3-319-71840-8 
<br/><br/><label>ISSN: </label>2196-9922