no. 2
Note sur les Q-matrices d’Edmonds
RAIRO. Operations research, Tome 31 (1997) no. 2, pp. 203-209 
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     year = {1997},
     publisher = {EDP-Sciences},
     volume = {31},
     number = {2},
     mrnumber = {1452342},
     zbl = {0872.90058},
     language = {fr},
     url = {https://www.numdam.org/item/RO_1997__31_2_203_0/}
}
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Edmonds, J.; Maurras, J.-F. Note sur les $Q$-matrices d’Edmonds. RAIRO. Operations research, Tome 31 (1997) no. 2, pp. 203-209. https://www.numdam.org/item/RO_1997__31_2_203_0/

1. A. Colmerauer, An introduction to Prolog III, Communications of the ACM, July 1990, 33, n° 7. | Zbl

2. J. R. Edmonds, System of distinct representatives and linear algebra, Journal of the National Bureau of Standards B 71, 1967. | Zbl | MR

3. J. R. Edmonds, Exact Pivoting, For ECCO VII, February 21, 1994.

4. J. F. Maurras, Cours de Complexité des algorithmes, Luminy, July 1990, 33, n° 7.