@article{CM_1979__38_3_311_0,
     author = {Richardson, R. W.},
     title = {Commuting varieties of semisimple {Lie} algebras and algebraic groups},
     journal = {Compositio Mathematica},
     pages = {311--327},
     publisher = {Sijthoff et Noordhoff International Publishers},
     volume = {38},
     number = {3},
     year = {1979},
     mrnumber = {535074},
     zbl = {0409.17006},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1979__38_3_311_0/}
}