00286nam a2200097Ia 4500008004100000082002000041100002200061245004100083260003700124300002700161250313b        |||||||| |||| 00| 0 eng d  a515.7bSc314.PF  aSchechter, Martin  aPrinciples of functional analysisb/  aNew York:bAcademic Press,c1971  axx, 383p. Bibl. Index.