TY - JOUR AU - S. N. Kudryavtsev TI - Approximation and reconstruction of the derivatives of functions satisfying mixed H\"older conditions JO - Izvestiya. Mathematics PY - 2007 SP - 895 EP - 938 VL - 71 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2007_71_5_a1/ LA - en ID - IM2_2007_71_5_a1 ER -