[1]
Rakoyomamonjy, P.M. and Andriantsoa, S.R. 2021. Crossings and Nestings Over Some Motzkin Objects and $q$-Motzkin Numbers. The Electronic Journal of Combinatorics. 28, 3 (Jul. 2021), P3.14. DOI:https://doi.org/10.37236/10102.