@article{1103841944, author = {Lenard, A. and Sherman, S.}, title = {Stable potentials. I}, journal = {Comm. Math. Phys.}, volume = {12}, number = {1}, year = {1969}, pages = { 201-207}, language = {en}, url = {http://dml.mathdoc.fr/item/1103841944} }
Lenard, A.; Sherman, S. Stable potentials. I. Comm. Math. Phys., Tome 12 (1969) no. 1, pp. 201-207. http://gdmltest.u-ga.fr/item/1103841944/