@article{TMF_1976_28_1_a1,
     author = {O. I. Zavialov},
     title = {Equations for {Green's} functions in quantum field theory},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {27--37},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_28_1_a1/}
}