Media type: E-Article Title: Witold Roter (1932–2015) Contributor: Derdziński, Andrzej Published: Institute of Mathematics, Polish Academy of Sciences, 2017 Published in: Colloquium Mathematicum, 150 (2017) 1, Seite 1-8 Language: English DOI: 10.4064/cm7409s-9-2017 ISSN: 0010-1354; 1730-6302 Keywords: General Mathematics Origination: Footnote: