TY - JOUR AU - G. A. Fomin TI - Convergence of termwise-differentiated Fourier–Jacobi series and of expansions in the Faber–Schauder system JO - Matematičeskie zametki PY - 1993 SP - 114 EP - 120 VL - 53 IS - 3 UR - http://geodesic.mathdoc.fr/item/MZM_1993_53_3_a11/ LA - ru ID - MZM_1993_53_3_a11 ER -