Volume 268, Number 1-3, July 2003
: On multiple coverings of the infinite rectangular grid with balls of constant radius.
: Fiber-complemented graphs II. Retractions and endomorphisms.
Iwan M. Duursma
: Extremal weight enumerators and ultraspherical polynomials.
: The recognition problem for line bigraphs.
J. K. Truss
: The automorphism group of the random graph: four conjugates good, three conjugates better.
, Jie Li
: An improvement of the two-line algorithm for proving q-hypergeometric identities.