%0 Journal Article %A Soichiro Fujii %T A unified framework for notions of algebraic theory %J Theory and applications of categories %D 2019 %P 1246-1316 %V 34 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2019_34_a39/ %G en %F TAC_2019_34_a39