00615nam a2200181 a 450000500170000008200160001710000220003324500390005526000670009430000160016149000500017769000490022769000360027696400250031299700180033799900170035595200610037220251203091555.0  a512.4,bnag  aNagata, Masayoshi  aPolynomial rings and affine spaces  aRhoda IslaNew DelhibAmerican Mathematical society, 1978c1978  a33p, 23 cm.  aRegional conference series in mathematicsd37  aPolynomial rings-Addresses, essays, lectures  aGeometry, Affine, 0-8218-1687-X  bEngc100de010fg_  a56798 LIBSC C  c45005d45005  00104070aPUbPUd1998-04-08l0o512.4, nagp56798yBK