@article{DMGT_2020_40_2_a9,
     author = {Du, Zhibin and da Fonseca, Carlos M.},
     title = {The {Number} of {P-Vertices} of {Singular} {Acyclic} {Matrices:} {An} {Inverse} {Problem}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {525--532},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2020_40_2_a9/}
}