@article{SIGMA_2010_6_a23,
     author = {Tigran Hakobyan},
     title = {Ordering of {Energy} {Levels} for {Extended} $\mathrm{SU}(N)$ {Hubbard} {Chain}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2010},
     volume = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a23/}
}