@article{TMF_1981_48_2_a1,
     author = {\`E. P. Osipov},
     title = {Feynman integral for exponential interaction in four-dimensional {space-time.~II}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {156--167},
     year = {1981},
     volume = {48},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_48_2_a1/}
}