00858nam0-22002891i-450-99000102176040332120091105153903.00-691-08100-X000102176FED01000102176(Aleph)000102176FED0100010217620001205d1971----km-y0itay50------baengNormal two-dimensional singularitiesBy Henry B. LauferPrinceton [N.J.]Princeton University Press1971Annals of mathematics studies71Geometria descrittiva, analitica, differenziale514Laufer,Henry B.48505ITUNINARICAUNIMARCBK99000102176040332112-033F8671FI1FI1Normal two-dimensional singularities339726UNINA