O jistém problému minimálním by Otakar Borůvka
ID: o-jistem-problemu-minimalnim-by-otakar-boruvka
Original Czech article in Práce Moravské přírodovědecké společnosti 3, pp. 37–58. The opening formulation assigns pairwise distinct positive costs to connections and asks for minimum total cost while retaining connection between all points.
Digital archive: dml.cz/handle/10338.dmlcz/500114
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