Stability Theory for Classes of Matrices with Vanishing Row Sums †, by Gerhard A. Aschinger (in German). (Lecture Notes in Economics and Mathematical Systems 113, Springer-Verlag, Berlin 1975.). Matrix Theory and its Applications, by N. J. Pullman, Selected topics. Monographs and Textbooks in Pure and Applied Mathematics, Vol. 35. New York-Basel: Marcel Dekker, Inc. vi, 240 pp. SFrs. 72.00 (1976).
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