The algebra of \(p\)-extensions of the trivial \(U_ q({\mathfrak sl}_ 2\mathbb{C})\)-module. (L’algèbre des \(p\)-extensions du \(U_ q({\mathfrak sl}_ 2\mathbb{C})\)-module trivial.) (French. Abridged English version) Zbl 0871.17006
Reviewer: W.M.McGovern (Seattle)