%0 Journal Article %A Masashi Katsura %T Disjunctive splittability of languages. %J Semigroup forum %D 1988 %P 201-214 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1988__37_1_134924/ %F SF_1988__37_1_134924