@article{TMF_1970_2_3_a3,
     author = {G. V. Efimov},
     title = {Nonlocal quantum field theory, nonlinear interaction lagrangians, and the convergence of the perturbation-theory series},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {302--310},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1970_2_3_a3/}
}