@article{10_21136_CPM_1982_118130,
     author = {Brunner, Norbert},
     title = {Relative {Differenzeneigenschaft}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {241--243},
     publisher = {mathdoc},
     volume = {107},
     number = {3},
     year = {1982},
     doi = {10.21136/CPM.1982.118130},
     mrnumber = {673048},
     zbl = {0576.26006},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1982.118130/}
}