00374nam a2200109Ia 4500008004100000082002100041100002200062245006100084260003800145300002800183490005300211260805b        |||||||| |||| 00| 0 eng d  a515.72bSa191.ST  aSamoilenko, Y. S.  aSpectral theory of families of self-adjoint operatorsb/  aDordrecht:bAcademic Press,c1991  axvi, 393p. Index, Bibl.  aMathematics and its applications (Soviet series)