TY - JOUR AU - Yu. B. Orochko TI - Deficiency indices of a~one-term symmetric differential operator of even order degenerate in the interior of an interval JO - Sbornik. Mathematics PY - 2005 SP - 673 EP - 702 VL - 196 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2005_196_5_a2/ LA - en ID - SM_2005_196_5_a2 ER -