Geodesic
Lagrangian and $S$ matrix
Teoretičeskaâ i matematičeskaâ fizika, Tome 8 (1971) no. 2, pp. 153-160 
B. V. Medvedev; V. P. Pavlov; A. D. Sukhanov. Lagrangian and $S$ matrix. Teoretičeskaâ i matematičeskaâ fizika, Tome 8 (1971) no. 2, pp. 153-160. http://geodesic.mathdoc.fr/item/TMF_1971_8_2_a0/
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Voir la notice de l'article provenant de la source Math-Net.Ru

Some concrete examples show that there is no direct correlation between the properties of Hermiticity (or locality) of a Lagrangian and uattarity (or causality) of the $S$ matrix in realistic field theories.

[1] W. Heisenberg, Z. Naturforsch., 1 (1946), 673 | MR

[2] N. N. Bogolyubov, D. V. Shirkov, Vvedenie v teoriyu kvantovannykh polei, Gostekhizdat, 1957 | MR

[3] B. V. Medvedev, Kandidatskaya dissertatsiya, MIAN SSSR, 1955

[4] B. V. Medvedev, ZhETF, 32 (1957), 87 | MR

[5] B. V. Medvedev, ZhETF, 49 (1965), 1518

[6] B. V. Medvedev, V. P. Pavlov, A. D. Sukhanov, Preprint ITF-69-3, Kiev, 1969

[7] B. V. Medvedev, V. P. Pavlov, A. D. Sukhanov, ZhETF, 57 (1969), 1998

[8] A. D. Sukhanov, YaF, 9 (1969), 653 | MR

[9] V. P. Pavlov, S. V. Svechnikov, A. D. Sukhanov, TMF, 3 (1970), 57