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"Bicolouring Steiner systems S(2, 4, v)."
Mario Gionfriddo et al. (2004)
- Mario Gionfriddo
, Lorenzo Milazzo, Alexander Rosa, Vitaly I. Voloshin:
Bicolouring Steiner systems S(2, 4, v). Discret. Math. 283(1-3): 249-253 (2004)
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