00438nam a2200133Ia 4500082001900000100002500019245003400044260003600078300002800114490003800142500011400180500000500294700000500299  a519.21bK14.SF  aKallianpur, Gopinath  aStochastic filtering theoryb  aNew YorkbSpringer-Verlagc1980  axvi, 316p. Index, Bibl.  aApplications of Mathematics v 13  a"Based on a seminar given by the author at the University of California at Los Angeles in the Spring of 1975"  a  a