TY  - JOUR
AU  - M. F. Kulagina
TI  - Characteristic singular equations in the case of a countable set of contours with several condensation points
JO  - Trudy seminara po kraevym zadačam
PY  - 1974
SP  - 138
EP  - 143
VL  - 11
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUKZ_1974_11_11_a17/
LA  - ru
ID  - KUKZ_1974_11_11_a17
ER  -