@misc{_[Frieder_[1972],
 editor={Polish Academy of Sciences. Institute of Mathematics. Stefan Banach International Mathematical Center},
 copyright={Rights Reserved - Restricted Access},
 address={Warsaw},
 journal={Międzynarodowe Centrum Matematyczne im. Stefana Banacha (1972 ; Warszawa)},
 howpublished={online},
 year={[1972]},
 title={[Frieder Kuhnert, Klaus Matthes] [MCM im. St. Banacha, 25.II.1972] [Dokument ikonograficzny]},
}