TY - JOUR AU - D. V. Gorbachev TI - An Extremum Problem for Periodic Functions with Small Support JO - Matematičeskie zametki PY - 2003 SP - 773 EP - 778 VL - 73 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2003_73_5_a13/ LA - ru ID - MZM_2003_73_5_a13 ER -