TY - JOUR AU - D.E. Edmunds AU - V.D. Stepanov TI - The measure of non-compactness and approximation numbers of certain Volterra integral operators. JO - Mathematische Annalen PY - 1994 SP - 41 EP - 66 VL - 298 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1994__298_2_165160/ ID - MAN_1994__298_2_165160 ER -