00368nam a2200133Ia 4500020001500000082002300015100001700038245005400055260003400109300001600143490006500159500000500224700000500229  a3540160493  a330.015197bK94.DG  aKruse, H. J.  aDegeneracy graphs and the neighbourhood problemb  aBerlinbSpringer-Verlagc1986  aviii, 126p.  aLecture notes in Economics and Mathematical systems v v.260  a  a