@article{1102945107, author = {McCleary, Stephen H.}, title = {$o-2$-transitive ordered permutation groups.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 425-429}, language = {en}, url = {http://dml.mathdoc.fr/item/1102945107} }
McCleary, Stephen H. $o-2$-transitive ordered permutation groups.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 425-429. http://gdmltest.u-ga.fr/item/1102945107/