00328nam a2200121Ia 4500008004100000020001800041040003800059100001600097245004500113250000800158260002300166300001700189220101s9999    xx            000 0 und d  a90-6764-294-0  cJayakar Knowledge Resource Centre  aKuzhel, A V 0aRegular extension of Hermitian operators  a1st  bVSPaUtrechtc1998  axii, 272p p.