00354nam a2200109Ia 4500008004100000082001700041100002000058245007100078260003600149300002000185440003900205260827b        |||||||| |||| 00| 0 eng d  a512bIv94.GL  aIversen, Birger  aGenetic local structure of the morphisms in commutative algebrab/  aBerlin:bSpringer-Verlag,c1973  aiv, 108p. Index  aLecture notes in Mathematics ; 310