TY - JOUR AU - David S. Tselnik TI - Constructing the Neumann series - an example. JO - Elemente der Mathematik PY - 1991 SP - 165 EP - 169 VL - 46 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELMA_1991__46_2_141520/ ID - ELMA_1991__46_2_141520 ER -