@article{SIGMA_2013_9_a75,
     author = {Eduardo Mattei and Jon Links},
     title = {Ground-State {Analysis} for an {Exactly} {Solvable} {Coupled-Spin} {Hamiltonian}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2013},
     volume = {9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a75/}
}