%0 Journal Article %A Silva, M. Rogério de J. da %T Lacalgebra versions of Lanczos tau method for the numerical solution of differential equations %J Portugaliae mathematica %D 1982 %P 295-316 %V 41 %N 1-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1982__41_1-4_115503/ %G en %F PORMA_1982__41_1-4_115503