TY - JOUR AU - M. Sh. Birman AU - D. R. Yafaev TI - On the trace-class method in potential scattering theory JO - Zapiski Nauchnykh Seminarov POMI PY - 1989 SP - 12 EP - 35 VL - 171 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1989_171_a1/ LA - ru ID - ZNSL_1989_171_a1 ER -