TY - JOUR AU - Lorenz Halbeisen TI - Fans and bundles in the graph of pairwise sums and products JO - The electronic journal of combinatorics PY - 2004 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/1759/ DO - 10.37236/1759 ID - 10_37236_1759 ER -