TY - JOUR AU - A.F. Andersen TI - A Condition for C-Summability of Negative Order. JO - Mathematica Scandinavica PY - 1959 SP - 337 EP - 346 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1959__7_165720/ ID - MS2_1959__7_165720 ER -