TY  - BOOK
AU  - Gamkrelidze,R.V.
TI  - Geometry I: basic ideas and concepts of differential geometry 
SN  - 3540519998 :
U1  - 516.36 
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
KW  - Geometry, Differential
N1  - Includes bibliographical references and index
ER  -