English: Biography of Lev Borisov was formed just like that with the participation of his elder brother Oleg.
Telugu: బయోగ్రఫీ Lva Borisova తన అన్నయ్య, ఒలేగ్ సహకారముతో ఆ విధంగా అభివృద్ధి చేసింది.