Geodesic
On the classical limits of the $SU(2)$-invariant solutions to the Yang-Baxter equation
Zapiski Nauchnykh Seminarov POMI, Differential geometry, Lie groups and mechanics. Part VII, Tome 146 (1985), pp. 119-136 
E. K. Sklyanin. On the classical limits of the $SU(2)$-invariant solutions to the Yang-Baxter equation. Zapiski Nauchnykh Seminarov POMI, Differential geometry, Lie groups and mechanics. Part VII, Tome 146 (1985), pp. 119-136. http://geodesic.mathdoc.fr/item/ZNSL_1985_146_a7/
@article{ZNSL_1985_146_a7,
     author = {E. K. Sklyanin},
     title = {On the classical limits of the $SU(2)$-invariant solutions to the {Yang-Baxter} equation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {119--136},
     year = {1985},
     volume = {146},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_146_a7/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

All the possible classical limits of the $SU(2)$-invariant solution to the quantum Yang–Baxter equation are systematically studied. In addition to the already known classical limits: the classical $r$-matrix, the lattice and continuous $L$-operators, some new classical objects are introduced and the equations satisfied by them are enlisted. Bibl. – 12.