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"Which non-regular bipartite integral graphs with maximum degree four do ..."
Krystyna T. Balinska, Slobodan K. Simic, Krzysztof T. Zwierzyski (2004)
- 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? Discret. Math. 286(1-2): 15-24 (2004)
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