00326nam a2200121Ia 4500082002000000100002400020245005000044260003600094300002600130490003800156500000500194700000500199  a519.91bH588.CD  aHestenes, Magnus R.  aConjugate direction methods in optimizationb  aNew YorkbSpringer-Verlagc1980  ax, 325p. Index, Bibl.  aApplications of Mathematics v 12  a  a