@article{TMF_1974_18_1_a1,
     author = {Yu. M. Zinoviev and V. N. Sushko},
     title = {Physical symmetries in a~theory of local observables of the $P$-class},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {14--26},
     year = {1974},
     volume = {18},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1974_18_1_a1/}
}