M
[Miy91] Satoru Miyano. Δ2P-complete lexicographically first maximal subgraph problems. Theoretical Computer Science 88(1):33-57. Elsevier, 1991. 
@article{tcs88(1)-Miy,
  author =              {Miyano, Satoru},
  title =               {{\(\Delta_2^P\)}-complete lexicographically first
                         maximal subgraph problems},
  publisher =           {Elsevier},
  journal =             {Theoretical Computer Science},
  volume =              {88},
  number =              {1},
  pages =               {33-57},
  year =                {1991},
}
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