@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/