00371nam a2200121Ia 4500100002400000245008000024260005200104300002600156490005200182490000500234500000500239700000500244  aBerezanskii, Ju. M.  aSelfadjoint operators in spaces of functions of infinitely many variablesb  aProvidencebAmerican Mathematical Societyc1986  axv, 383p. Bibl. Index  aTranslations of Mathematical monographsv v. 63  a  a  a