no. 2
About ambivalent groups
Annales Mathématiques Blaise Pascal, Tome 3 (1996) no. 2, pp. 17-22. 
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     author = {Armeanu, Ion},
     title = {About ambivalent groups},
     journal = {Annales Math\'ematiques Blaise Pascal},
     pages = {17--22},
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     volume = {3},
     number = {2},
     year = {1996},
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     mrnumber = {1435313},
     language = {en},
     url = {http://www.numdam.org/item/AMBP_1996__3_2_17_0/}
}
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Armeanu, Ion. About ambivalent groups. Annales Mathématiques Blaise Pascal, Tome 3 (1996) no. 2, pp. 17-22. http://www.numdam.org/item/AMBP_1996__3_2_17_0/

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