Analysis of information sources in references of the Wikipedia article "Vsevolod Abramovich" in English language version.
He was borne in Odessa on 11 August 1890. After normal schooling, he studied at the Charlottenburg Polytechnic Institute in Germany. In the fall of 1911 he graduated from the " Wright Society" aviation school (diploma ?22) and became a flying instructor. He worked in the "Flugmaschinen Wright-Gesellschaft" in Logannistalle. ...