@article{ZNSL_2024_532_a0,
     author = {P. V. Antonenko and N. M. Belousov and S. \`E. Derkachov and S. M. Khoroshkin},
     title = {Reflection operator and hypergeometry {I:} $SL(2,\mathbb{R})$ spin chain},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--46},
     publisher = {mathdoc},
     volume = {532},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2024_532_a0/}
}