Olszak, Zbigniew Halina Pidek-Łopuszańska (1925–1998). (Polish) Zbl 1204.01035 Rocz. Pol. Tow. Mat., Ser. II, Wiadom. Mat. 35, 217-219 (1999). With list of publications (12 items). MSC: 01A70 Biographies, obituaries, personalia, bibliographies Keywords:Obituary; Bibliography Biographic References: Pidek-Łopuszańska, Halina PDFBibTeX XMLCite \textit{Z. Olszak}, Rocz. Pol. Tow. Mat., Ser. II, Wiad. Mat. 35, 217--219 (1999; Zbl 1204.01035) Full Text: Link