Construction of an orthonormal basis in C m ( I d ) and W p m ( I d ) Z. Ciesielski; J. Domsta — 1972 Studia Mathematica
Estimates for spline orthonormal functions and for their derivatives Z. Ciesielski; J. Domsta — 1972 Studia Mathematica
The degenerate B-splines as a basis in the space of algebraic polynomials Z. Ciesielski; J. Domsta — 1985 Annales Polonici Mathematici