@article{ZNSL_2019_487_a3, author = {N. M. Bogoliubov}, title = {Enumerative combinatorics of $XX0$ {Heisenberg} chain}, journal = {Zapiski Nauchnykh Seminarov POMI}, pages = {53--67}, year = {2019}, volume = {487}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_487_a3/} }