TY  - BOOK
AU  - Pal, B K
AU  - Das k.
TI  - Engineering mathematics vol. IV
U1  - 51.62 
PY  - 2009///
CY  - Kolkata
PB  -  u.n dhur and sons private limited
N1  - Set Theory; Group Modulo Group; Subgroup; Homomorphism and isomorphism; Ring and filed; Po sets and lattice; Boolean Algebra; Recusrion and recuurece relations; Graph Di Graph and Functions; Trees and Fundamental circuit
ER  -