What is a classical r-matrix?

Integration of nonlinear equations of mathematical physics by the method of inverse scattering. II

A. B. Shabat · Functional Analysis and Its Applications · 1979 · 769 citations

Numerical Analysis, Inverse Scattering, Engineering +8

On a trace functional for formal pseudo-differential operators and the symplectic structure of the Korteweg-devries type equations

Mark Adler · Inventiones mathematicae · 1978 · 760 citations

Spectral Theory, Formal Pseudo-differential Operators, Engineering +7

Some algebraic structures connected with the Yang?Baxter equation

E. K. Sklyanin · Functional Analysis and Its Applications · 1983 · 591 citations

Quantum Algebra, Baxter Equation, Universal Algebra +1

Solutions of the classical Yang - Baxter equation for simple Lie algebras

A. A. Belavin, Vladimir Drinfeld · Functional Analysis and Its Applications · 1983 · 572 citations

Representation Theory, Simple Lie Algebras, Quantum Field Theory +6

Completely integrable systems, Euclidean Lie algebras, and curves

Mark Adler, Pierre van Moerbeke · Advances in Mathematics · 1980 · 343 citations

Lie Point Symmetry, Euclidean Lie Algebras, Discrete Integrable System +1