1. Quantum deformations of GL(n);Artin;Comm. Pure and Appl. Math.,1991
2. An explicit deformation formula with non-commuting derivations;Coll,1989
3. Universal deformation formulas and breaking symmetry;Coll;J. Pure Appl. Alg.,1993
4. Formal deformations of the Poisson-Lie algebra of a symplectic manifold and star-products, existence, equivalencce;DeWilde,1988
5. Constant quasiclassical solutions of the Yang-Baxter quantum equation;Drinfel'd;Sov. Math. Doklady,1983