00385nam a2200121Ia 4500008004100000020002200041082001900063100002100082245005800103260003800161300002600199490003800225240118b        |||||||| |||| 00| 0 eng d  a978-0-387-90081-0  a515.7bB484.LF  aBerberian, S. K.  aLectures in functional analysis and operator theory /  aNew York:bSpringer-Verlag,c1974  ax, 345p. Bibl. Index.  aGraduate texts in Mathematicsv15