1. C. O. Christenson, W. L. Voxman: Aspects of topology Creator: Markl, Martin Format: bez média and svazek Type: model:article and TEXT Language: English Description: Autor recenze: Martin Markl Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. S. Kaufmann: Mathematica-kurz und bündig Creator: Schwabik, Štefan Format: bez média and svazek Type: model:article and TEXT Language: English Description: Autor recenze: Štefan Schwabik Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public