On Covers and Envelopes in Some Functor Categories

Author: Mao Lixin  

Publisher: Taylor & Francis Ltd

ISSN: 0092-7872

Source: Communications in Algebra, Vol.41, Iss.5, 2013-05, pp. : 1655-1684

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract