@article{FAA_1998_32_2_a1,
     author = {A. N. Varchenko and G. Felder},
     title = {Algebraic {Integrability} of the {Two-Body} {Ruijsenaars} {Operator}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {8--25},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1998_32_2_a1/}
}