@article{JOLT_1993_3_2_a5,
     author = {H. Boseck},
     title = { On {Algebraic} and {Semialgebraic} {Groups} and {Semigroups}},
     journal = {Journal of Lie Theory},
     pages = {221--230},
     year = {1993},
     volume = {3},
     number = {2},
     zbl = {0799.22005},
     url = {http://geodesic.mathdoc.fr/item/JOLT_1993_3_2_a5/}
}