@article{CM_1970__22_1_137_0,
     author = {Atalla, Robert E.},
     title = {On the non-measurability of a certain mapping},
     journal = {Compositio Mathematica},
     pages = {137--141},
     year = {1970},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {22},
     number = {1},
     mrnumber = {259058},
     zbl = {0189.05802},
     language = {en},
     url = {https://www.numdam.org/item/CM_1970__22_1_137_0/}
}