@article{CMUC_2006__47_4_a14,
     author = {Herrlich, Horst and Tachtsis, Eleftherios},
     title = {On the number of {Russell's} socks or $2+2+2+\dots=\text{?}$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {707--717},
     publisher = {mathdoc},
     volume = {47},
     number = {4},
     year = {2006},
     mrnumber = {2337424},
     zbl = {1150.03017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2006__47_4_a14/}
}