@article{ZNSL_2020_494_a2,
     author = {N. M. Bogoliubov and C. L. Malyshev},
     title = {Heisenberg $XX0$ chain and random walks on a ring},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {48--63},
     publisher = {mathdoc},
     volume = {494},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_494_a2/}
}