TY  - JOUR
AU  - S. A. Feodorov
TI  - An approach to the estimation of measure and cardinality of balls
JO  - Doklady Akademii Nauk
PY  - 1984
SP  - 1360
EP  - 1364
VL  - 276
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1984_276_6_a19/
LA  - ru
ID  - DAN_1984_276_6_a19
ER  -