TY - JOUR AU - S. G. Veliev TI - Bases from eigenfunctions subsets of two discontinuous differential operators JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2005 SP - 148 EP - 157 VL - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JMAG_2005_12_a1/ LA - ru ID - JMAG_2005_12_a1 ER -