TY - JOUR AU - I. R. Kayumov TI - Spectrum of integral means and the modified Bessel function of zero order JO - Algebra i analiz PY - 2005 SP - 107 EP - 123 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2005_17_3_a5/ LA - ru ID - AA_2005_17_3_a5 ER -