%0 Journal Article %A Aval, Jean-Christophe %A Duchon, Philippe %T Enumeration of alternating sign matrices of even size (quasi)-invariant under a quarter-turn rotation %J Discrete mathematics & theoretical computer science %D 2009 %V DMTCS Proceedings vol. AK, 21st International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2009) %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2726/ %R 10.46298/dmtcs.2726 %G en %F DMTCS_2009_special_256_a48