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Pitsoulis, Leonidas, Papalamprou, Konstantinos, Appa, Gautam and Kotnyek, Balázs (2009) On the representability of totally unimodular matrices on bidirected graphs. Discrete Mathematics, 309 (16). pp. 5024-5042. ISSN 0012-365X
Appa, Gautam, Kotnyek, Balázs, Papalamprou, Konstantinos and Pitsoulis, Leonidas (2007) Optimization with binet matrices. Operations Research Letters, 35 (3). pp. 345-352. ISSN 0167-6377
Appa, Gautam and Kotnyek, Balázs (2006) A bidirected generalisation of network matrices. Networks, 47 (4). pp. 185-198. ISSN 1097-0037
Appa, Gautam and Kotnyek, Balázs (2004) Rational and integral k-regular matrices. Discrete Mathematics, 275 (1-3). pp. 1-15. ISSN 0012-365X
Appa, Gautam and Kotnyek, Balázs (2003) Optimization with binet matrices. Operational Research working papers (LSEOR 03.59). Department of Operational Research, London School of Economics and Political Science, London, UK.
