TY  - JOUR
AU  - V. A. Sharafutdinov
TI  - Integral geometry of a quadratic differential form for
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 551
EP  - 554
VL  - 300
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_300_3_a7/
LA  - ru
ID  - DAN_1988_300_3_a7
ER  -