@article{TMF_1971_6_3_a1,
     author = {M. A. Braun and Yu. A. Evlashev},
     title = {On~the~$S$ matrix for~a~field theory {with~Lagrangians} that depend on~derivatives},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {318--327},
     year = {1971},
     volume = {6},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1971_6_3_a1/}
}