1
Published: 1968
Superior document: Prace geograficzne 68
2
Published: 1992
Superior document: Universitätsschriften / Europa-Universität Viadrina, Frankfurt (Oder) 2
Links: Inhaltsverzeichnis
3
Published: [1999]
Superior document: Contemporary mathematics, 242
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4
Published: [2005]
Superior document: Contemporary mathematics, 366
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5
Published: c2006.
Links: Get full text