@article{700648,
     title = {On a factorization lemma and a construction of absolute without separation axioms},
     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 = {[45]-50},
     mrnumber = {MR0478097},
     zbl = {0365.54002},
     url = {http://dml.mathdoc.fr/item/700648}
}

Błaszczyk, A. On a factorization lemma and a construction of absolute without separation axioms, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. [45]-50. http://gdmltest.u-ga.fr/item/700648/