@article{1077315068, author = {Gutkin, Eugene}, title = {Integrable systems with delta-potential}, journal = {Duke Math. J.}, volume = {49}, number = {1}, year = {1982}, pages = { 1-21}, language = {en}, url = {http://dml.mathdoc.fr/item/1077315068} }
Gutkin, Eugene. Integrable systems with delta-potential. Duke Math. J., Tome 49 (1982) no. 1, pp. 1-21. http://gdmltest.u-ga.fr/item/1077315068/