00293nam a2200121Ia 4500082001600000100002300016245003300039260003400072300001600106490003900122500000500161700000500166  a512bJ39.LP  aJategaonkar, A. V.  aLeft principal ideal ringsb  aBerlinbSpringer-Verlagc1970  a145p. Index  aLecture notes in Mathematicsv 123  a  a