@article{1103899758, author = {Martin, Philippe A.}, title = {On the time-delay of simple scattering systems}, journal = {Comm. Math. Phys.}, volume = {46}, number = {1}, year = {1976}, pages = { 221-227}, language = {en}, url = {http://dml.mathdoc.fr/item/1103899758} }
Martin, Philippe A. On the time-delay of simple scattering systems. Comm. Math. Phys., Tome 46 (1976) no. 1, pp. 221-227. http://gdmltest.u-ga.fr/item/1103899758/