- Author: Ricardo David Goldenberg
- Language: Portuguese
- Year: 2002
- Author: Ricardo David
- Language: Spanish
- Author: Ricardo David
- Language: English
- Year: 2014
- Author: Ricardo David, Harrison Fred
- Language: English
- Year: 2006
- Author: Hollander Samuel, Ricardo David
- Language: English
- Year: 2002
Hopf Algebróides
pdf
- Author: Ricardo David Morais Da Silva
- Language: Portuguese
- Year: 2016
- Author: Ricardo David Morais da Silva
- Language: Portuguese
- Year: 2014
- Author: Ricardo David Morais da Silva
- Language: Portuguese
- Year: 2014
Bialgebróides
pdf
- Author: Ricardo David Morais da Silva
- Language: Portuguese
- Year: 2015
- Author: Ricardo David
- Language: Spanish
- Year: 1973