@article{UFA_2016_8_2_a9,
     author = {K. Zheltukhin},
     title = {Recursion operator for a~system with non-rational {Lax} representation},
     journal = {Ufa mathematical journal},
     pages = {112--118},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2016_8_2_a9/}
}