%0 Journal Article %A Martha Yip %T Rook placements and Jordan forms of upper-triangular nilpotent matrices %J The electronic journal of combinatorics %D 2018 %V 25 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/6888/ %R 10.37236/6888 %F 10_37236_6888