TY - JOUR AU - N. K. Nikol'skii TI - Designs for calculating the spectral multiplicity of orthogonal sums JO - Zapiski Nauchnykh Seminarov POMI PY - 1983 SP - 150 EP - 159 VL - 126 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1983_126_a16/ LA - ru ID - ZNSL_1983_126_a16 ER -