%0 Journal Article %A E. P. Likhtman %T On the symmetry of dynamical equations in quantum field theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1973 %P 142-145 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1973_15_1_a12/ %G ru %F TMF_1973_15_1_a12