S. P. Singh,NATO Advanced Study Institute on Approximation Theory, Spline Functions and Applications.NATO Advanced Study Institute on Approximation Theory, Spline Functions and Applications(1991 : Maratea, Italy)：Approximation theory, spline function and applications.Kluwer Academic Pub.,1991.
NATO Advanced Study Institute on Approximation Theory, Spline Functions and Applications(1991 : Maratea, Italy)：Approximation theory, spline function and applications
S. P. Singh,NATO Advanced Study Institute on Approximation Theory, Spline Functions and Applications.Kluwer Academic Pub.,1991.
