Ma, Yonghao Weak-morphisms and control. (English) Zbl 0981.93005 Int. J. Gen. Syst. 30, No. 5, 585-594 (2001). Reviewer: Guy Jumarie (Montréal) MSC: 93A10 93B05 93B17 PDFBibTeX XMLCite \textit{Y. Ma}, Int. J. Gen. Syst. 30, No. 5, 585--594 (2001; Zbl 0981.93005) Full Text: DOI
Ma, Yonghao; Lin, Yi Categorical approach to general systems theory. (English) Zbl 0757.93004 Int. J. Gen. Syst. 20, No. 4, 379-390 (1992). MSC: 93A10 PDFBibTeX XMLCite \textit{Y. Ma} and \textit{Y. Lin}, Int. J. Gen. Syst. 20, No. 4, 379--390 (1992; Zbl 0757.93004) Full Text: DOI
Lin, Yi; Ma, Yonghao General feedback systems. (English) Zbl 0729.93005 Int. J. Gen. Syst. 18, No. 2, 143-154 (1990). MSC: 93A10 93C10 PDFBibTeX XMLCite \textit{Y. Lin} and \textit{Y. Ma}, Int. J. Gen. Syst. 18, No. 2, 143--154 (1990; Zbl 0729.93005) Full Text: DOI
Lin, Yi; Ma, Yonghao Remarks on controllabilities of general systems. (English) Zbl 0724.93007 Int. J. Gen. Syst. 17, No. 4, 317-327 (1990). MSC: 93B05 93A99 PDFBibTeX XMLCite \textit{Y. Lin} and \textit{Y. Ma}, Int. J. Gen. Syst. 17, No. 4, 317--327 (1990; Zbl 0724.93007) Full Text: DOI
Ma, Yong-Hao; Lin, Yi Some properties of linked time systems. (English) Zbl 0658.93008 Int. J. Gen. Syst. 13, No. 2, 125-134 (1987). MSC: 93A10 93B05 PDFBibTeX XMLCite \textit{Y.-H. Ma} and \textit{Y. Lin}, Int. J. Gen. Syst. 13, No. 2, 125--134 (1987; Zbl 0658.93008) Full Text: DOI