TY - JOUR AU - I. S. Lomov TI - On the approximation of functions on a segment by spectral expansions of the Schrödinger operator JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1995 SP - 43 EP - 54 IS - 4 UR - http://geodesic.mathdoc.fr/item/VMUMM_1995_4_a9/ LA - ru ID - VMUMM_1995_4_a9 ER -