Jean-Christophe Aval, Philippe Duchon. Enumeration of Alternating Sign Matrices of Even Size (Quasi-)Invariant under a Quarter-Turn Rotation. Electr. J. Comb., 17(1), 2010. [doi]
@article{AvalD10,
title = {Enumeration of Alternating Sign Matrices of Even Size (Quasi-)Invariant under a Quarter-Turn Rotation},
author = {Jean-Christophe Aval and Philippe Duchon},
year = {2010},
url = {http://www.combinatorics.org/Volume_17/Abstracts/v17i1r51.html},
researchr = {https://researchr.org/publication/AvalD10},
cites = {0},
citedby = {0},
journal = {Electr. J. Comb.},
volume = {17},
number = {1},
}