@article{TAC_2010_23_a8,
     author = {N. Martins-Ferreira},
     title = {Star-multiplicative graphs in pointed protomodular categories},
     journal = {Theory and applications of categories},
     pages = {170--198},
     publisher = {mathdoc},
     volume = {23},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2010_23_a8/}
}