TY  - BOOK
AU  - Gurjar, Mangala R 
AU  - Gopalakrishnan, N S 
TI  - Projective geometry over a commutative ring
PY  - 1981///
CY  - Pune
PB  - Savitribai Phule Pune University
UR  - http://lib.unipune.ac.in:8080/xmlui/handle/123456789/160
ER  -