Paul Drube. Set-valued tableaux and generalized Catalan numbers. Australasian J. Combinatorics, 72:55-69, 2018. [doi]
@article{Drube18, title = {Set-valued tableaux and generalized Catalan numbers}, author = {Paul Drube}, year = {2018}, url = {http://ajc.maths.uq.edu.au/pdf/72/ajc_v72_p055.pdf}, researchr = {https://researchr.org/publication/Drube18}, cites = {0}, citedby = {0}, journal = {Australasian J. Combinatorics}, volume = {72}, pages = {55-69}, }