00675nam a2200157Ia 4500008004100000082001900041100004200060245009300102260005400195300002600249500005400275700003400329942001200363952012500375999001700500260909b        |||||||| |||| 00| 0 eng d  a510.6bAd244.7  aAdvances in Soviet Mathematics927171  aEstimates and asymptotics for discrete spectra of integral and differential equationsb/  aProvidence:bAmerican Mathematical Society,c1991  aV.7 - x, 204p. Index.  a"Purchased under NBHM grant for the year 1997-98"  aBirman, M. S.eeditor.927172  2ddccBK  0010406510_600000000000000_AD244_770914582aISIbISId1998-09-18l0o510.6 Ad244.7pDP23596r2019-02-14 00:00:00yBK  c11923d11923