9783764366827 | Birkhauser, April 1, 2002, cover price $145.00 | About this edition: Interest in the area of control of systems defined by partial differential Equations has increased strongly in recent years.

9780387543390 | Springer Verlag, October 1, 1991, cover price $29.00 | also contains Blackrock in Old Photographs | About this edition: This book provides, in a unified framework, an updated and rather comprehensive treatment contered on the theory of ot- pimal control with quadratic cost functional for abstract linear systems with application to boundary/point control problems for partial differential equations (distributed pa- rameter systems).

9780387535838 | Springer Verlag, April 1, 1991, cover price $49.95 | About this edition: This book discusses inverse problems that arise in the estimation and control of distributed parameter systems in the face of uncertainty, as well as applications of these techniques to mathematical modelling for problems of applied system analysis (eg environmental issues, technological issues, technological processes, biomethematical models, mathematical economy and other fields).

9780387180540 | Springer Verlag, October 1, 1987, cover price $73.00 | also contains The Art of Rocksteady's Batman: Arkham Asylum, Arkham City & Arkham Knight