00318nam a2200133Ia 4500008004000000041000800040082001100048100001600059245002100075260005900096650001000155650001100165650000800176210210b1962   xxu||||| |||| 00| 0 eng d  aeng  a519/80  aMeCoy (N H)  aRings and ideals  aAmericabThe Mathematical Association of Americac1962  aRings  aideals  aand