Non-solvable groups with a large fraction of involutions
Structure theory of set addition, Astérisque no. 258  (1999), p. 241-248
@incollection{AST_1999__258__241_0,
author = {Berkovich, Yakov},
title = {Non-solvable groups with a large fraction of involutions},
booktitle = {Structure theory of set addition},
editor = {Deshouilliers Jean-Marc and Landreau Bernard and Yudin Alexander A.},
series = {Ast\'erisque},
publisher = {Soci\'et\'e math\'ematique de France},
number = {258},
year = {1999},
pages = {241-248},
zbl = {0945.20009},
mrnumber = {1701201},
language = {en},
url = {http://www.numdam.org/item/AST_1999__258__241_0}
}

Berkovich, Yakov. Non-solvable groups with a large fraction of involutions, in Structure theory of set addition, Astérisque, no. 258 (1999), pp. 241-248. http://www.numdam.org/item/AST_1999__258__241_0/

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