00335nam a2200109Ia 4500008004100000040003800041100001800079245005500097260004500152300001200197653001600209211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aEhrenpreis, L 0aMemoirs of the american mathematical society no 21  bAMERICAN MATHEMATICAL SCOEITYaR Ic1956  a80 P p.  aMATHEMATICS