https://www.aaai.org/Papers/Workshops/1999/WS-99-06/WS99-06-...
But, I apologize ! It's a bit pimped up compared to the one liner above, I think step 7 in section 4.3 is what I was thinking of :) I did laugh when I dug it out, as I have been working on the first bullet in the conclusion this week!
which was a precursor to the model distallation work from Geoff Hinton: https://arxiv.org/abs/1503.02531
http://www.clungu.com/Distilling_a_Random_Forest_with_a_sing...