00732nam0-22002891i-450-990001139710403321000113971FED01000113971(Aleph)000113971FED0100011397120000920d1967----km-y0itay50------baengTheory of Retractsby BorsukWarszawaPolish Scientific Publishers1967Topologia generaleBorsuk,Karol54624ITUNINARICAUNIMARCBK9900011397104033216-G-47452MA1MA154-0254C5554C15Theory of Retracts344210UNINAING01