TY  - BOOK
AU  - Khanna, Vijay, K 
TI  - Lattices and boolean algebras: first concepts 
SN  - 0-7069-9436-1 
U1  - 512 KHA  
PY  - 2000///
CY  - Vikas publishing house pvt. ltd. 
PB  - New Delhi 
KW  - MATHEMATICS
ER  -