TY - JOUR AU - Aydin Sh. Shukurov TI - Necessary condition for Kostyuchenko type systems to be a basis in Lebesgue spaces JO - Colloquium Mathematicum PY - 2012 SP - 105 EP - 109 VL - 127 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm127-1-7/ DO - 10.4064/cm127-1-7 LA - en ID - 10_4064_cm127_1_7 ER -