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Hemker P.W. On the representation of functions and finite difference operators on adaptive sparse grids / P.W.Hemker,F.Sprengel, 1999. - 19 p. - Текст : непосредственный.
Sprengel F. Interpolation on sparse Gauss-Chebyshev grids in higher dimensions / F.Sprengel, 1998. - 13 p. - Текст : непосредственный.
Sprengel F. Some remarks on multilevel algorithms for finite difference discretizations on sparse grids / F.Sprengel, 1999. - 12 p. - Текст : непосредственный.