@article{CRMATH_2010__348_21-22_1151_0,
     author = {Karpenko, Nikita A.},
     title = {Isotropy of symplectic involutions},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1151--1153},
     publisher = {Elsevier},
     volume = {348},
     number = {21-22},
     year = {2010},
     doi = {10.1016/j.crma.2010.10.005},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2010.10.005/}
}