@article{CRMATH_2014__352_12_985_0,
     author = {Wang, Shengqiang and Wu, Quanshui},
     title = {Some properties of the extremal algebras},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {985--990},
     publisher = {Elsevier},
     volume = {352},
     number = {12},
     year = {2014},
     doi = {10.1016/j.crma.2014.09.028},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2014.09.028/}
}