@article{DAN_1967_173_4_a15,
     author = {L. Sh. Khodzhaev},
     title = {Properties of the cluster decomposition of the causal $S$-matrix},
     journal = {Doklady Akademii Nauk},
     pages = {789--792},
     publisher = {mathdoc},
     volume = {173},
     number = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_173_4_a15/}
}