Garzón, A. R. Singular extensions and the second cohomology categorical group. (English) Zbl 1370.18008 J. Homotopy Relat. Struct. 12, No. 2, 447-485 (2017). Reviewer: Nadia Mazza (Lancaster) MSC: 18D10 18B40 18D35 18G50 20J06 PDFBibTeX XMLCite \textit{A. R. Garzón}, J. Homotopy Relat. Struct. 12, No. 2, 447--485 (2017; Zbl 1370.18008) Full Text: DOI
Jibladze, Mamuka; Pirashvili, Teimuraz Cohomology with coefficients in stacks of abelian 2-groups. (English) Zbl 1260.55009 J. Pure Appl. Algebra 216, No. 10, 2274-2290 (2012). Reviewer: Renaud Gauthier (Phoenix) MSC: 55N30 14F05 18D05 18E25 18F20 18G10 18G15 54B35 55N20 55P42 PDFBibTeX XMLCite \textit{M. Jibladze} and \textit{T. Pirashvili}, J. Pure Appl. Algebra 216, No. 10, 2274--2290 (2012; Zbl 1260.55009) Full Text: DOI arXiv
Huang, Fang; Chen, ShaoHan; Chen, Wei; Zheng, ZhuJun Derived 2-functors in (2-SGp). (English) Zbl 1263.18010 Sci. China, Math. 54, No. 12, 2537-2552 (2011). MSC: 18G50 PDFBibTeX XMLCite \textit{F. Huang} et al., Sci. China, Math. 54, No. 12, 2537--2552 (2011; Zbl 1263.18010) Full Text: DOI