Stem parenthesi$ (all stems)
2 papers:
- DATE-2002-ZhuangKSJ
- An Enhanced Q-Sequence Augmented with Empty-Room-Insertion and Parenthesis Trees (CZ, YK, KS, LJ), pp. 61–68.
- STOC-1971-Meyers #linear #representation
- Linear Representation of Tree Structure: A Mathematical Theory of Parenthesis-Free Notations (WJM), pp. 50–62.