TY - JOUR AU - N. M. Bogoliubov AU - C. Malyshev TI - Combinatorial aspects of correlation functions of the $XXZ$ Heisenberg chain in limiting cases JO - Zapiski Nauchnykh Seminarov POMI PY - 2015 SP - 15 EP - 34 VL - 437 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2015_437_a1/ LA - en ID - ZNSL_2015_437_a1 ER -