@article{10_21136_CPM_1981_108494,
     author = {Goebel, Rotraut},
     title = {Minimum functors on categories of {Neumann} trees},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {357--367},
     publisher = {mathdoc},
     volume = {106},
     number = {4},
     year = {1981},
     doi = {10.21136/CPM.1981.108494},
     mrnumber = {637814},
     zbl = {0479.05057},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1981.108494/}
}