@article{TMF_1978_36_2_a3, author = {V. A. Smirnov}, title = {Singularities of {Feynman} diagrams in the coordinate space}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {183--192}, publisher = {mathdoc}, volume = {36}, number = {2}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1978_36_2_a3/} }