@article{MABA_1994_8_2-3_a5,
     author = {Dao-Rong Ton},
     title = {The {Free} {Products} of {Weak} {Hamiltonian} {l-Groups}},
     journal = {Mathematica balkanica},
     pages = {197},
     publisher = {mathdoc},
     volume = {8},
     number = {2-3},
     year = {1994},
     url = {http://geodesic.mathdoc.fr/item/MABA_1994_8_2-3_a5/}
}