<?xml version="1.0" encoding="US-ASCII"?>
<dblp>
<article key="journals/ipl/Syslo82" mdate="2018-11-14">
<author>Maciej M. Syslo</author>
<title>A Labeling Algorithm to Recognize a Line Digraph and Output its Root Graph.</title>
<pages>28-30</pages>
<year>1982</year>
<volume>15</volume>
<journal>Inf. Process. Lett.</journal>
<number>1</number>
<url>db/journals/ipl/ipl15.html#Syslo82</url>
<ee>https://doi.org/10.1016/0020-0190(82)90080-1</ee>
<ee>https://www.wikidata.org/entity/Q56388861</ee>
</article></dblp>
