00335nam a2200109Ia 4500008004100000040003800041100002000079245006000099260003500159300001500194653001600209211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aKolmogorov, A N 0aElements of the theory of and functional analysis vol 1  bGraylock PressaNew Yorkc1957  axi, 125 p.  aMathematics