%0 Journal Article %A B. E. Veits %T Characteristic properties of unconditional bases and theorems of stability %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1965 %P 24-36 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1965_4_a3/ %G ru %F IVM_1965_4_a3