TY  - JOUR
AU  - L. G. Gurov
TI  - On the stability of Lorentz mappings. Estimates for derivatives
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 273
EP  - 276
VL  - 220
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_220_2_a2/
LA  - ru
ID  - DAN_1975_220_2_a2
ER  -