@article{RO_1982__16_4_379_0,
     author = {Hartl, R. and Mehlmann, A.},
     title = {The transylvanian problem of renewable resources},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {379--390},
     publisher = {EDP-Sciences},
     volume = {16},
     number = {4},
     year = {1982},
     mrnumber = {704151},
     zbl = {0506.90016},
     language = {en},
     url = {http://www.numdam.org/item/RO_1982__16_4_379_0/}
}