TY - JOUR AU - V. V. Volchkov TI - An extremum problem related to Morera's theorem JO - Matematičeskie zametki PY - 1996 SP - 804 EP - 809 VL - 60 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1996_60_6_a1/ LA - ru ID - MZM_1996_60_6_a1 ER -