@techreport{habib:inria-00072882, TITLE = {{Linear Time Recognition of P4-Indifference Graphs}}, AUTHOR = {Habib, Michel and Paul, Christophe and Viennot, Laurent}, URL = {https://inria.hal.science/inria-00072882}, TYPE = {Research Report}, NUMBER = {RR-3779}, INSTITUTION = {{INRIA}}, YEAR = {1999}, KEYWORDS = {P4-INDIFFERENCE ; ALGORITHM ; RECOGNITION}, PDF = {https://inria.hal.science/inria-00072882/file/RR-3779.pdf}, HAL_ID = {inria-00072882}, HAL_VERSION = {v1}, }