TY  - BOOK
AU  - Pogorelov, A. V.
TI  - A STUDY OF SURFACES IN AN ELLIPTIC SPACE
U1  - 513.8 
PY  - 1964///
CY  - Delhi
PB  - Hindustan Pub. Corp. (India)
KW  - Spaces, Generalized
KW  - Convex Surfaces
ER  -