TY - JOUR AU - A. M. Savchuk AU - A. A. Shkalikov TI - Trace Formula for Sturm--Liouville Operators with Singular Potentials JO - Matematičeskie zametki PY - 2001 SP - 427 EP - 442 VL - 69 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2001_69_3_a10/ LA - ru ID - MZM_2001_69_3_a10 ER -