TY  - BOOK
AU  - Duff, I.S.
AU  - Erisman, A.M.
AU  - Reid, J.K.
TI  - Direct methods for sparse matrices
SN  - 0198534213
U1  - 512.9434 
PY  - 1986///
CY  - Oxford
PB  -  Oxford University Press
ER  -