%0 Journal Article %A J. Karhumäki %T A note on intersections of free submonoids of a free monoid. %J Semigroup forum %D 1984 %P 183-206 %V 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1984__29_134681/ %F SF_1984__29_134681