TY - JOUR AU - I. É. Stepanova AU - A. V. Shchepetilov TI - Two-body problem on spaces of constant curvature: II. Spectral properties of the Hamiltonian JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2000 SP - 481 EP - 489 VL - 124 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_2000_124_3_a8/ LA - ru ID - TMF_2000_124_3_a8 ER -