\input zb-basic \input zb-ioport \iteman{io-port 03626613} \itemau{Dang-Huy-Ruan; Tsejtin, G.S.} \itemti{An upper estimate of the finite-state complexity for a class of generating schemes containing complements and intersections.} \itemso{J. Sov. Math. 8, 254-262 (1977).} \itemcc{} \itemut{Finite-State Complexity; Generating Schemes; Multigraph; Finite Automata; Regular Set; Boolean Function} \itemli{doi:10.1007/BF01091543} \end