TY - JOUR AU - M. M. Faddeev AU - R. G. Shterenberg TI - On the similarity of some singular differential operators to selfadjoint ones JO - Zapiski Nauchnykh Seminarov POMI PY - 2000 SP - 336 EP - 349 VL - 270 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2000_270_a17/ LA - ru ID - ZNSL_2000_270_a17 ER -