TY  - JOUR
AU  - A. V. Kazantsev
TI  - On a problem related to the extremum of the inner radius
JO  - Trudy seminara po kraevym zadačam
PY  - 1992
SP  - 47
EP  - 62
VL  - 27
IS  - 27
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUKZ_1992_27_27_a3/
LA  - ru
ID  - KUKZ_1992_27_27_a3
ER  -