@article{DMGT_2015_35_4_a0,
     author = {Gutierrez, Marisa and L\'ev\^eque, Benjamin and Tondato, Silvia B.},
     title = {Asteroidal {Quadruples} in non {Rooted} {Path} {Graphs}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {603--614},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2015_35_4_a0/}
}