@article{Wittig2015,
  author    = {R{\"u}diger Wittig},
  title     = {Hommage au Prof. Dr. Laurent Ak{\´e}-Assi (1931-2014)},
  journal   = {Flora et Vegetatio Sudano-Sambesica},
  volume    = {17},
  pages     = {49 -- 50},
  year      = {2015},
}