00473nam a2200133Ia 4500008004100000082002000041100001700061245007700078260003600155300002000191490006300211500003400274700003100308260423b        |||||||| |||| 00| 0 eng d  a519.93bL763.OC  aLions, J. L.  aOptimal control of systems governed by partial differential equationsb/  aBerlin:bSpringer-Verlag,c1971  axi, 396p. Index  aDie Grundlehren der Mathematischen Wissenschaftenv v. 170  a"Translated by S. K. Mitter".  aMitter, S. K.etranslator.