@article{JRAM_1966__222_150731,
     author = {Paul W. jr. Liebnitz},
     title = {Neighborhood extensions of continuous maps.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {58},
     publisher = {mathdoc},
     volume = {222},
     year = {1966},
     zbl = {0138.17603},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/JRAM_1966__222_150731/}
}