Geodesic
Factorization of the classical and the quantum $S$-matrix and conservation laws
Teoretičeskaâ i matematičeskaâ fizika, Tome 26 (1976) no. 2, pp. 198-205 
P. P. Kulish. Factorization of the classical and the quantum $S$-matrix and conservation laws. Teoretičeskaâ i matematičeskaâ fizika, Tome 26 (1976) no. 2, pp. 198-205. http://geodesic.mathdoc.fr/item/TMF_1976_26_2_a5/
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Voir la notice de l'article provenant de la source Math-Net.Ru

It is shown that the presence of a complete set of integrals of the motion that are a deformation of the free integrals leads to a factorization of the $S$-matrix. The scattering characteristics of $n$ identical particles are expressed in terms of the two-particle problem.

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