%0 Journal Article %A Dao-Rong Ton %T The Free Products of Weak Hamiltonian l-Groups %J Mathematica balkanica %D 1994 %P 197 %V 8 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1994_8_2-3_a5/ %F MABA_1994_8_2-3_a5