Items where Division is "Mathematics > Professoren und akademische Räte im Ruhestand > Prof. Dr. Rolf Waldi" and Year is 1998
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Röhrl, N. and Waldi, Rolf (1998) A determinantal criterion for positive sign-solvability. COMMUNICATIONS IN ALGEBRA, 26 (7). pp. 2361-2369. ISSN 0092-7872, 1532-4125

