TY - JOUR AU - Grigorii Zhislin TI - On the Essential Spectrum of Many-Particle Pseudorelativistic Hamiltonians with Permutational Symmetry Account JO - Symmetry, integrability and geometry: methods and applications PY - 2006 VL - 2 UR - http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a23/ LA - en ID - SIGMA_2006_2_a23 ER -