TY  - JOUR
AU  - V. A. Shcherbina
TI  - Causality condition and nonlocality of the Lagrangian in quantum electrodynamics
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 93
EP  - 95
VL  - 138
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_138_1_a25/
LA  - ru
ID  - DAN_1961_138_1_a25
ER  -