00329nam a2200121Ia 4500082002000000100002100020245003600041260003500077300002700112490005800139500000500197700000500202  a515.35bB445.MN  aBellman, Richard  aMethods of nonlinear analysisb  aNew YorkbAcademic Pressc1970  axx, 340p. Index, Bibl.  aMathematics in Science and Engineeringv v. 61, 61-II  a  a