Some commutativity criteria
Rendiconti del Seminario Matematico della Università di Padova, Tome 84 (1990), pp. 135-141.
partie suivante Some commutativity criteria. - II 
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     author = {Lennox, John C. and Mohammadi Hassanabadi, A. and Wiegold, James},
     title = {Some commutativity criteria},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {135--141},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {84},
     year = {1990},
     mrnumber = {1101288},
     zbl = {0725.20025},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1990__84__135_0/}
}
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Lennox, John C.; Mohammadi Hassanabadi, A.; Wiegold, James. Some commutativity criteria. Rendiconti del Seminario Matematico della Università di Padova, Tome 84 (1990), pp. 135-141. http://www.numdam.org/item/RSMUP_1990__84__135_0/

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