00283nam a2200121Ia 4500082001700000100002200017245001900039260003400058300002100092490003800113500000500151700000500156  a512bN147.FT  aNagata, Masayoshi  aField theoryb  aNew YorkbMarcel Dekkerc1977  avii, 268p. Index  aPure and Applied Mathematicsv 40  a  a