TY  - JOUR
AU  - V. I. Diskant
TI  - Stability in a theorem of Liebmann's
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 1257
EP  - 1259
VL  - 158
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_158_6_a3/
LA  - ru
ID  - DAN_1964_158_6_a3
ER  -