2004 | ||
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1 | EE | Krystyna T. Balinska, Slobodan K. Simic, Krzysztof T. Zwierzyski: Which non-regular bipartite integral graphs with maximum degree four do not have pm1 as eigenvalues? Discrete Mathematics 286(1-2): 15-24 (2004) |
1 | Krystyna T. Balinska | [1] |
2 | Slobodan K. Simic | [1] |