00294nam a2200121Ia 4500082002000000100001700020245003400037260003400071300002300105500003400128500000500162700000500167  a515.7bSi617.BB  aSinger, Ivan  aBases in banach spaces I 42b  aBerlinbSpringer-Verlagc1981  aviii, 880p. Index.  a"v. 1 was published in 1970".  a  a