@article{AA_2021_33_1_a4,
     author = {M. Lanini and K. Zainoulline},
     title = {Twisted quadratic foldings of root systems},
     journal = {Algebra i analiz},
     pages = {93--118},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2021_33_1_a4/}
}