@misc{Borsuk_Karol_(1905–1982)_On_1952,
 author={Borsuk, Karol (1905–1982)},
 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 certain mapping of the 2-sphere onto itself},
}