%0 Journal Article %A Matias Menni %T Symmetric monoidal completions and the exponential principle among labeled combinatorial structures %J Theory and applications of categories %D 2003 %P 397-419 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2003_11_a17/ %G en %F TAC_2003_11_a17