Duff, I S . Direct methods for sparse matrices / by I. S. Duff, A. M. Erisman and J. K. Reid. - Oxford : Clarendon press , 1986. - 341p. : Tables, figs ; 24cm . - Monoghaph and numerical analysis, NULL NULL; . - Monoghaph and numerical analysis, NULL NULL; . Includes index and references ISBN: 0198534086 UKP 30.00 Subjects--Index Terms: SPARSE MATRICES Dewey Class. No.: 512.9434 / DUF/D