00344nam a2200121Ia 4500082001900000100002000019245003400039260005000073300002200123490006700145500000500212700000500217  a515.73bJ13.TA  aJackson, Dunham  aThe theory of approximationb  aNew YorkbAmerican Mathematical Societyc1968  aviii, 178p. Index  aAmerican Mathematical Society Colloquium Publications v v. 11  a  a