00412nam a2200121Ia 4500082002000000100004400020245005600064260005200120300002700172490005100199500000500250700003500255  a519.21bN512.SA  aNevel'son, M. B. and Has'minskii, R. Z.  aStochastic approximation and recursive estimationb  aProvidencebAmerican Mathematical Societyc1973  aiv, 244p. Index, Bibl.  aTranslations of Mathematical monographsv v.47  a  aHas'minskii, R. Z. ; jt. auth.