Kowalczyk, Adam; Szymański, Jacek Rough simplifications of decision tables. (English) Zbl 0731.68093 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 359-374 (1989). MSC: 68T30 PDF BibTeX XML Cite \textit{A. Kowalczyk} and \textit{J. Szymański}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 359--374 (1989; Zbl 0731.68093)
Musiał, Krzysztof; Nguyen, Ngoc Thanh On the nearest product of partitions. (English) Zbl 0731.68051 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 333-338 (1989). MSC: 68Q25 68R05 PDF BibTeX XML Cite \textit{K. Musiał} and \textit{N. T. Nguyen}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 333--338 (1989; Zbl 0731.68051)
Boryczka, Mariusz Optimizing decision tables using rough sets. (English) Zbl 0731.68019 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 309-319 (1989). MSC: 68N01 68P05 03E72 PDF BibTeX XML Cite \textit{M. Boryczka}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 309--319 (1989; Zbl 0731.68019)
Reinhard, Andrzej; Stawski, Bogusław; Szwast, Wiesław; Weber, Tomasz An attempt to use the rough sets theory for the control of water-air relation on a given polder. (English) Zbl 0727.68087 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 339-349 (1989). Reviewer: J. Żurawiecki (Lublin) MSC: 68R99 86-08 92-08 PDF BibTeX XML Cite \textit{A. Reinhard} et al., Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 339--349 (1989; Zbl 0727.68087)
Nieminen, Juhani Rough sets, screens, roundings and relations. (English) Zbl 0727.68086 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 351-358 (1989). Reviewer: J. Żurawiecki (Lublin) MSC: 68R99 PDF BibTeX XML Cite \textit{J. Nieminen}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 351--358 (1989; Zbl 0727.68086)
Boryczka, Mariusz Rough sets in multicriteria decision problems. (English) Zbl 0727.68085 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 321-331 (1989). Reviewer: J.Zurawiecki (Lublin) MSC: 68R99 90B50 PDF BibTeX XML Cite \textit{M. Boryczka}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 321--331 (1989; Zbl 0727.68085)
Kaczorek, Tadeusz Existence and uniqueness of solutions and Cayley-Hamilton theorem for general singular model of 2-D systems. (English) Zbl 0721.93045 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 275-278 (1989). MSC: 93C35 34C05 PDF BibTeX XML Cite \textit{T. Kaczorek}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 275--278 (1989; Zbl 0721.93045)
Przyłuski, Maciej K. Remarks on stabilizability of linear time-varying discrete-time systems. (English) Zbl 0716.93051 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 291-296 (1989). MSC: 93D25 93C05 93C25 PDF BibTeX XML Cite \textit{M. K. Przyłuski}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 291--296 (1989; Zbl 0716.93051)
Przyłuski, Maciej K. On \(l^ p\)-input bounded-state stability of linear stabilizable infinite-dimensional systems. (English) Zbl 0716.93049 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 297-303 (1989). MSC: 93D15 93D25 93C05 93C25 PDF BibTeX XML Cite \textit{M. K. Przyłuski}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 297--303 (1989; Zbl 0716.93049)
Kaczorek, Tadeusz Equivalence of singular 2-D linear models. (English) Zbl 0716.93030 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 263-267 (1989). MSC: 93C55 93B11 93C05 PDF BibTeX XML Cite \textit{T. Kaczorek}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 263--267 (1989; Zbl 0716.93030)
Kaczorek, Tadeusz; Świerkosz, Marek Solvability of singular Roesser model and its improvement by state feedback. (English) Zbl 0716.93029 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 279-284 (1989). MSC: 93C55 93B25 93B52 PDF BibTeX XML Cite \textit{T. Kaczorek} and \textit{M. Świerkosz}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 279--284 (1989; Zbl 0716.93029)
Kaczorek, Tadeusz Solvability of the singular Fornasini-Marchesini model and its reduction to an equivalent 1-D model with variable structure. (English) Zbl 0716.93028 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 269-274 (1989). MSC: 93C55 93B12 PDF BibTeX XML Cite \textit{T. Kaczorek}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 269--274 (1989; Zbl 0716.93028)
Banaszuk, Andrzej A new approach to regular descriptor systems. (English) Zbl 0716.93006 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 305-308 (1989). MSC: 93B05 93C05 93C15 PDF BibTeX XML Cite \textit{A. Banaszuk}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 305--308 (1989; Zbl 0716.93006)
Przyłuski, Maciej K. A note on controllability and stabilizability. (English) Zbl 0716.93005 Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5-6, 285-289 (1989). MSC: 93B05 93D15 93C25 93C15 93C05 PDF BibTeX XML Cite \textit{M. K. Przyłuski}, Bull. Pol. Acad. Sci., Tech. Sci. 37, No. 5--6, 285--289 (1989; Zbl 0716.93005)