00266nam a2200109Ia 4500082001600000100001800016245006200034260003500096300001500131500000500146700000500151  a517bK29.NM  aKeller, H. B.  aNumerical methods for two-point boundary-value problemsb  aMassachusettsbBlaisdellc1968  avii, 184p.  a  a