Where " AR " is the aspect ratio, \ epsilon the span efficiency factor, a number less than but close to unity for long, straight edged wings, and C _ { D, 0 } the zero-lift drag coefficient.
22.
In 1989 Solovyov completed post-graduate studies at the Institute of World Economy and International Relations in Moscow with the defence of his thesis " Basic tendencies of new materials production and its efficiency factors in the USA and Japan " and became a candidate of economic science ( a PhD, second ( of three ) Russian graduate degree in economics ).
