Посилання:Rank 2 Nichols Algebras of Diagonal Type over Fields of Positive Characteristic / J. Wang, I. Heckenberger // Symmetry, Integrability and Geometry: Methods and Applications. — 2015. — Т. 11. — Бібліогр.: 29 назв. — англ.
Підтримка:It is a pleasure to thank N. Andruskiewitsch and H.-J. Schneider for a very fruitful discussion
on some details of this topic. The authors thank the referees for their helpful comments and
suggestions. J. Wang is supported by China Scholarship Council.