2021-04-122016-01-010138482121910383https://hdl.handle.net/10784/27751enghttps://v2.sherpa.ac.uk/id/publication/issn/0138-4821The direct summand conjecture for some bigenerated extensions and an asymptotic version of Koh¿s conjectureinfo:eu-repo/semantics/article2021-04-12Gallego, Edisson