TY  - JOUR
AU  - B. N. Petrov
AU  - V. A. Viktorov
AU  - B. V. Lunkin
TI  - On the measurement of the amount of medium in a closed space
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 564
EP  - 567
VL  - 186
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_186_3_a19/
LA  - ru
ID  - DAN_1969_186_3_a19
ER  -