@article{1103904214, author = {Holszty\'nski, W. and Slawny, J.}, title = {Peierls condition and number of ground states}, journal = {Comm. Math. Phys.}, volume = {58}, number = {1}, year = {1978}, pages = { 177-190}, language = {en}, url = {http://dml.mathdoc.fr/item/1103904214} }
Holsztyński, W.; Slawny, J. Peierls condition and number of ground states. Comm. Math. Phys., Tome 58 (1978) no. 1, pp. 177-190. http://gdmltest.u-ga.fr/item/1103904214/