@article{1103840643, author = {Hunziker, W.}, title = {The S-matrix in classical mechanics}, journal = {Comm. Math. Phys.}, volume = {7}, number = {1}, year = {1968}, pages = { 282-299}, language = {en}, url = {http://dml.mathdoc.fr/item/1103840643} }
Hunziker, W. The S-matrix in classical mechanics. Comm. Math. Phys., Tome 7 (1968) no. 1, pp. 282-299. http://gdmltest.u-ga.fr/item/1103840643/