TY - JOUR AU - A. Sh. Shukurov TI - About one type of sequences that are not a Schauder basis in Hilbert spaces JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2015 SP - 244 EP - 247 VL - 25 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VUU_2015_25_2_a7/ LA - en ID - VUU_2015_25_2_a7 ER -