@article{SIGMA_2010_6_a22,
     author = {Toshiki Nakashima},
     title = {Epsilon {Systems} on {Geometric} {Crystals} of type $A_n$},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2010},
     volume = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a22/}
}