@article{article0e46dd78,
title   = {Skew category, Galois covering and smash product of a k-category},
author = {Cibils, Claude and Marcos, Eduardo do Nascimento},
year = {2006},
doi = {10.1090/S0002-9939-05-07955-4},
journal   = {Proceedings of the American Mathematical Society}
}