sentence1: Viktor Arkadyevich Bely , also Viktor Aronovich Bely ( January 14 , 1904 - March 6 , 1983 ) , was a Russian composer and social activist .
sentence2: Viktor Aronovich Bely , also Viktor Arkadyevich Bely ( 14 January 1904 - 6 March 1983 ) , was a Russian composer and social activist .