Roy, B. An algorithm for a general constrained set covering problem. (English) Zbl 0255.05006 Graph Theory Comput., 267-283 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 05B40 Combinatorial aspects of packing and covering 05B30 Other designs, configurations 05C99 Graph theory × Cite Format Result Cite Review PDF