TY - JOUR AU - A. I. Plotkin TI - A function is determined by the norms of its convolutions JO - Zapiski Nauchnykh Seminarov POMI PY - 1974 SP - 179 EP - 181 VL - 47 UR - http://geodesic.mathdoc.fr/item/ZNSL_1974_47_a16/ LA - ru ID - ZNSL_1974_47_a16 ER -