@article{TAC_2014_29_a7,
     author = {Saikat Chatterjee and Amitabha Lahiri and Ambar N. Sengupta},
     title = {Twisted actions of categorical groups},
     journal = {Theory and applications of categories},
     pages = {215--255},
     publisher = {mathdoc},
     volume = {29},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2014_29_a7/}
}