@article{10_1007_s10587_016_0306_6,
     author = {Du, Zhibin and da Fonseca, Carlos M.},
     title = {The real symmetric matrices of odd order with a {P-set} of maximum size},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1007--1026},
     publisher = {mathdoc},
     volume = {66},
     number = {3},
     year = {2016},
     doi = {10.1007/s10587-016-0306-6},
     mrnumber = {3556881},
     zbl = {06644047},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0306-6/}
}