TY - JOUR AU - S. N. Martynov TI - Anharmonic states of the one-dimensional anisotropic Heisenberg model with free boundary conditions JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1998 SP - 489 EP - 497 VL - 117 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1998_117_3_a11/ LA - ru ID - TMF_1998_117_3_a11 ER -