TY  - JOUR
AU  - S. S. Ryshkov
TI  - On V.\,A.~Borovikov's paper: A~topological problem Bearing on certain issues of quantum electrodynamics
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1960
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1960_15_3_a23/
LA  - ru
ID  - RM_1960_15_3_a23
ER  -