@article{700689,
     title = {Summary of the paper $\sigma $-algebra generated by analytic sets and applications},
     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 = {[245]-246},
     url = {http://dml.mathdoc.fr/item/700689}
}

Kuratowski, K. Summary of the paper $\sigma $-algebra generated by analytic sets and applications, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. [245]-246. http://gdmltest.u-ga.fr/item/700689/