Authors: IMHOF L NESSEL RJ

Citation: L. Imhof et Rj. Nessel, SHARPNESS ALMOST EVERYWHERE OF EQUIVALENCE ASSERTIONS FOR THE BEST APPROXIMATION BY ALGEBRAIC POLYNOMIALS, Bulletin of the London Mathematical Society, 28, 1996, pp. 367-372

Authors: ESSER H GOEBBELS SJ LUTTGENS G NESSEL RJ

Citation: H. Esser et al., SHARP ERROR-BOUNDS FOR THE CRANK-NICOLSON AND SAULYEV DIFFERENCE SCHEME IN CONNECTION WITH AN INITIAL-BOUNDARY VALUE-PROBLEM FOR THE INHOMOGENEOUS HEAT-EQUATION, Computers & mathematics with applications, 30(3-6), 1995, pp. 59-68

Authors: IMHOF L NESSEL RJ

Citation: L. Imhof et Rj. Nessel, THE SHARPNESS OF A POINTWISE ERROR BOUND FOR THE FEJER-HERMITE INTERPOLATION PROCESS ON SETS OF POSITIVE MEASURE, Applied mathematics letters, 7(3), 1994, pp. 57-62

Authors: BUTTGENBACH B ESSER H NESSEL RJ

Citation: B. Buttgenbach et al., ON THE COMPARISON OF ERROR-BOUNDS FOR FINITE-DIFFERENCE SCHEMES, Numerische Mathematik, 64(4), 1993, pp. 477-486

Authors: BUTZER PL NESSEL RJ

Citation: Pl. Butzer et Rj. Nessel, ASPECTS OF DE LA VALLEE POUSSIN WORK IN APPROXIMATION AND ITS INFLUENCE, Archive for history of exact sciences, 46(1), 1993, pp. 67-95