TY - JOUR AU - A. M. Sedletskii TI - Expansions in eigenfunctions of the differentiation operator with spread boundary condition JO - Differencialʹnye uravneniâ PY - 1994 SP - 70 EP - 76 VL - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1994_30_1_a7/ LA - ru ID - DE_1994_30_1_a7 ER -