1991 | ||
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1 | EE | Shinsei Tazawa, Teruhiro Shirakura, Saburo Tamura: Enumeration of digraphs with given number of vertices of odd out-degree and vertices of odd in-degree. Discrete Mathematics 90(1): 63-74 (1991) |
1 | Teruhiro Shirakura | [1] |
2 | Shinsei Tazawa | [1] |