@misc{Grzegorczyk_Andrzej_(1922–_)_On_1952,
 author={Grzegorczyk, Andrzej (1922– )},
 editor={Kuratowski, Kazimierz (1896–1980)},
 editor={Polskie Towarzystwo Matematyczne},
 copyright={Rights Reserved - Restricted Access},
 address={Cracov},
 howpublished={online},
 year={1952},
 publisher={[s.n.]},
 language={eng},
 language={eng},
 type={Text},
 title={On Janiszewski's property of topological spaces},
}