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Minimal weight in union-closed families. Falgas-Ravry, Victor (2011) The Electronic Journal of Combinatorics [electronic only]
Minimally intersecting set partitions of type B. Chen, William Y.C., Wang, David G.L. (2010) The Electronic Journal of Combinatorics [electronic only]
Monochromatic and zero-sum sets of nondecreasing modified diameter. Grynkiewicz, David, Sabar, Rasheed (2006) The Electronic Journal of Combinatorics [electronic only]