TY  - JOUR
AU  - E. V. Shikin
TI  - Isometric imbedding in $E^3$ of noncompact domains of nonpositive curvature
JO  - Matematičeskie zametki
PY  - 1979
SP  - 785
EP  - 797
VL  - 25
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1979_25_5_a14/
LA  - ru
ID  - MZM_1979_25_5_a14
ER  -