Bang-Jensen, Jørgen. 1960- Digraphs : theory, algorithms, and applications / Jørgen Bang-Jensen and Gregory Gutin. - 2nd ed. - London : Springer, c2009. - xxii, 795 p. : ill. ; 24 cm. - Springer monographs in mathematics . Includes bibliographical references and indexes. ISBN: 9781848009974 (alk. paper) 9780857290410 (pbk.) LCCN: 2008939033 Subjects--Topical Terms: Directed graphs. LC Class. No.: QA166.15 / .B36 2009 Dewey Class. No.: 511.54 / BAN/D