@article{700918,
     title = {On fixations of sets in Euclidean spaces},
     booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
     series = {GDML\_Books},
     publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1962},
     pages = {260-260},
     mrnumber = {MR0174038},
     url = {http://dml.mathdoc.fr/item/700918}
}

Lelek, A. On fixations of sets in Euclidean spaces, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1962), p. 260. http://gdmltest.u-ga.fr/item/700918/