TY - JOUR AU - S. V. Bochkarev TI - A~Fourier series in an arbitrary bounded orthonormal system that diverges on a~set of positive measure JO - Sbornik. Mathematics PY - 1975 SP - 393 EP - 405 VL - 27 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1975_27_3_a5/ LA - en ID - SM_1975_27_3_a5 ER -