References
- Glrsanov , I.V. 1972 . Lectures on mathematical theory of extremum problems , New York : Springer-Verlag .
- Joffe , A.D. and Tlkhomlrov , V.M. 1979 . Theory of extremal problems , New York : Academic Press .
- Kowalewskl , A. 1982 . The necessary and sufficient conditions of the optlmallty for hyperbolic systems with non-dlfferentlable performance functional, International Centre of Theoretical Physics , Italy : Trieste .
- Lions , I.L. 1971 . Optimal control of systems governed by partial differential equations , New York : Springer-Verlag .
- Ledzewlcz-Kowalewska , U. 1986 . On some specification of the Dubovitskii-Milyutin method . Nonlinear Analysis , 12 : 1367 – 71 .
- Ledzewlcz-Kowalewska , U. 1986 . Application of some specification of the Dubovitskii-Milyutin method to problems of optimal control . Nonlinear Analysis , 12
- Ledzewlcz-Kowalewska , U. 1986 . The necessary and sufficient condition for the problems of optimal control of parabolic systems with equality constraints . Bull, de la Soc. des Scien , 12
- Ledzewlcz-Kowalewska , U. 1985 . A necessary condition for a problem of optimal control with equality and inequality constraints . Control and Cybernetics , 14 : 351 – 360 .
- Walczak , S. 1984 . On some properties of cones in normed spaces and their application to investigating extremal problems . JOTA , 42 : 4
- Walczak , S. 1984 . On some control problem . Acta Universitatis Lodziensis , 1