%0 Journal Article %A Brzozowski, J. A. %A Knast, Robert %T Graph congruences and pair testing %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1986 %P 129-147 %V 20 %N 2 %I AFCET - Gauthier-Villars %C Paris %U http://www.numdam.org/item/ITA_1986__20_2_129_0/ %G en %F ITA_1986__20_2_129_0