TY  - JOUR
AU  - È. R. Rozendorn
TI  - The influence of the intrinsic metric on the regularity of a surface of negative curvature
JO  - Sbornik. Mathematics
PY  - 1967
SP  - 207
EP  - 223
VL  - 2
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/SM_1967_2_2_a4/
LA  - en
ID  - SM_1967_2_2_a4
ER  -