id: 03724452 dt: a an: 03724452 au: Jamison-Waldner, Robert ti: Copoints in antimatroids. so: Combinatorics, graph theory and computing, Proc. 11th southeast. Conf., Boca Raton/Florida 1980, Vol. II, Congr. Numerantium 29, 535-544 (1980). py: 1980 pu: la: EN cc: ut: copoints; antimatroid ci: Zbl 0444.00009 li: