00401nam a2200133Ia 4500020001500000082002000015100001800035245008900053260005200142300002700194490003600221500000500257700000500262  a082183682X  a515.35bD997.SP  aDynkin, E. B.  aSuperdiffusions and positive solutions of nonlinear partial differential equationsb  aProvidencebAmerican Mathematical Societyc2004  avi, 120p. Bibl. Index.  aUniversity lecture series v 34  a  a