TY - JOUR AU - V. G. Zamuraev TI - The Existence of Optimal Spaces for Linear Functional Equations JO - Differencialʹnye uravneniâ PY - 2002 SP - 982 EP - 985 VL - 38 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2002_38_7_a17/ LA - ru ID - DE_2002_38_7_a17 ER -