B
[Bel58] Richard Bellman. On a Routing Problem. Quarterly of Applied Mathematics 16(1):87-90. 1958. 
@article{qam16(1)-Bel,
  author =              {Bellman, Richard},
  title =               {On a Routing Problem},
  journal =             {Quarterly of Applied Mathematics},
  volume =              {16},
  number =              {1},
  pages =               {87-90},
  year =                {1958},
}
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