00329nam a2200121 a 450000500170000002000150001708200160003210000210004824500500006926000280011930000210014749000390016820251203110341.0  a0849380715  a519.23bDUR  aDurrett, Richard  aStochastic calculusba practical introduction  aLondonbCRC Pressc1996  a341p.c22cm.bHB  aProbability and stochastics series