It was G. Abaev ` s credit , that the new courses appeared at the Belarusian higher education institutes .
In fact , there were 3 Doctoral and 19 PhD theses in Engineering Sciences defended under G. Abaev ` s supervision .
It was supervision   ` s credit , that the new courses appeared at the Belarusian higher education institutes .
In fact , there were 3 Doctoral and 19 PhD theses in Engineering Sciences defended under G. Abaev ` s supervision .