L. A. Mejia Castaño, S. Montgomery, S. Natale, M. D. Vega and C. Walton, Cocycle deformations and Galois objects for semisimple Hopf algebras of dimension p^3 and pq^2, arXiv:1610.03810v1, (2016).
S. Montgomery, M. D. Vega and S. Witherspoon, Hopf automorphisms and twisted extensions, Journal of Algebra and Its Applications Vol. 15, No. 6 (2016) 1650103-1-1650103-14.
D. S. Sage and M. D. Vega, Twisted exponents and twisted Frobenius-Schur indicators for Hopf algebras, Communications in Algebra, Volume 45, No. 1 (2017) 9-16.
D. S. Sage and M. D. Vega, Twisted Frobenius-Schur indicators for Hopf algebras, J. Algebra Vol. 354 (2012) 136-147.