This one? https://www.ams.org/journals/bull/1966-72-06/S0002-9904-1966-11654-3/S0002-9904-1966-11654-3.pdf https://www.ams.org/journals/bull/1966-72-06/S0002-99

This one? https://www.ams.org/journals/bull/1966-72-06/S0002-9904-1966-11654-3/S0002-9904-1966-11654-3.pdf https://www.ams.org/journals/bull/1966-72-06/S0002-9904-1966... Edit: I was a bit too fast don't think you mean this one, still a wonderful paper :)