00325nam a2200121Ia 4500082001900000100001700019245005200036260003300088300002000121490005200141500000500193700000500198  a515.7bL528.FA  aLeigh, J. R.  aFunctional analysis and linear control theoryb  aLondonbAcademic Pressc1980  aix, 160p. Index  aMathematics in Science and Engineeringv v. 156  a  a