TY  - JOUR
AU  - I. Kh. Sabitov
TI  - Smoothness of a hypersurface of positive extrinsic curvature and its fundamental forms in conjugate-harmonic coordinates
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1982
SP  - 5
EP  - 8
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1982_6_a1/
LA  - ru
ID  - VMUMM_1982_6_a1
ER  -