@article{ALCO_2019__2_6_1239_0,
     author = {Rupel, Dylan C.},
     title = {Rank two non-commutative {Laurent} phenomenon and pseudo-positivity},
     journal = {Algebraic Combinatorics},
     pages = {1239--1273},
     publisher = {MathOA foundation},
     volume = {2},
     number = {6},
     year = {2019},
     doi = {10.5802/alco.81},
     mrnumber = {4049845},
     zbl = {07140432},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/alco.81/}
}