@article{700653,
     title = {On preserving the fixed point property by mappings},
     booktitle = {General topology and its relations to modern analysis and algebra IV},
     series = {GDML\_Books},
     publisher = {Society of Czechoslovak Mathematicians and Physicist},
     address = {Praha},
     year = {1977},
     pages = {[51]-58},
     mrnumber = {MR0645025},
     zbl = {0389.54011},
     url = {http://dml.mathdoc.fr/item/700653}
}

Bogatyĭ, S. A. On preserving the fixed point property by mappings, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. [51]-58. http://gdmltest.u-ga.fr/item/700653/