00358nam a2200121Ia 4500082001900000100002800019245007100047260003500118300001400153490005900167500000500226700000500231  a511.6bR842.SF  aRota, Gian Carlo d ed.  aStudies in foundations and combinatoricsbcEd. by Gian Carlo Rota  aNew YorkbAcademic Pressc1978  aix, 265p.  aAdvances in Mathematics, supplementary studies v v. I  a  a