@article{TMF_1971_9_1_a4,
     author = {V. P. Pavlov and G. A. Tavluev},
     title = {Interaction {Hamiltonian} in quantum field theory},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {80--85},
     year = {1971},
     volume = {9},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1971_9_1_a4/}
}