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@article{DAN_1968_182_6_a15, author = {L. Sh. Khodzhaev}, title = {Generalized {Bogolyubov} functions and the elements of the causal $S$-matrix}, journal = {Doklady Akademii Nauk}, pages = {1296--1299}, publisher = {mathdoc}, volume = {182}, number = {6}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_182_6_a15/} }
L. Sh. Khodzhaev. Generalized Bogolyubov functions and the elements of the causal $S$-matrix. Doklady Akademii Nauk, Tome 182 (1968) no. 6, pp. 1296-1299. http://geodesic.mathdoc.fr/item/DAN_1968_182_6_a15/