It seems well accepted : Source : http://www.persee.fr/doc/thlou_0080-2654_2010_num_41_2_3829_t1_0275_0000_3 - urn:cts:latinLit:stoa0040a.stoa002.opp-lat1 - urn:cts:latinLit:stoa0040a.stoa003.opp-lat1