Preface.- Control of Systems Described by Elliptic-Type Partial-Differential Equations Under Conjugation Conditions.- Control of a Conditionally Correct System Described by the Neumann Problem for an Elliptic-Type Equation Under Conjugation Conditions.- Control of a System Described by a One-Dimensional Quartic Equation Under Conjugation Conditions.- Control of a System Described by a Two-Dimensional Quartic Equation Under Conjugation Conditions.- Control of a System Described by a Parabolic Equation Under Conjugation Conditions.- Control of a System Described by a Parabolic Equation in the Presence of Concentrated Heat Capacity.- Control of a System Described by a Pseudoparabolic Equation Under Conjugation Conditions.- Control of a System Described by a Hyperbolic Equation Under Conjugation Conditions.- Control of a System Described by a Pseudohyperbolic Equation Under Conjugation Conditions.- Optimal Control of a Deformed Complicated Solid Body State.- References.