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@article{MOMA_1973__77_177645, author = {Hazel Perfect}, title = {Positive {Diagonals} of {...1-Matrices.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {225--240}, publisher = {mathdoc}, volume = {77}, year = {1973}, zbl = {0267.05020}, url = {http://geodesic.mathdoc.fr/item/MOMA_1973__77_177645/} }
Hazel Perfect. Positive Diagonals of ...1-Matrices.. Monatshefte für Mathematik, Tome 77 (1973), pp. 225-240. http://geodesic.mathdoc.fr/item/MOMA_1973__77_177645/