Ronni Chasen's Death Certificate -- 'Shot By Another'

TMZ has obtained Ronni Chasen's death certificate -- which states the Hollywood publicist died from "multiple gunshot wounds" after she was "shot by another" in Beverly Hills last month.

Ronni Chasen

As we previously reported, investigators believe Chasen's death was a "random act of violence" in a robbery gone bad.

Cops believe the shooter was a man named Harold Smith -- who shot himself in his Hollywood apartment building ... allegedly using the same gun he used to murder Chasen.