Boris Yakovlevich Bukreev, Russian mathematician and author (b. 1859)
Boris Yakovlevich Bukreev Russian: Борис Яковлевич Букреев (6 September 1859 – 2 October 1962) was a Russian and Soviet mathematician who worked in the areas of complex functions and differential equations. He studied Fuchsian functions of rank zero. He was interested in projective and non-Euclidean geometry. He worked on differential invariants and parameters in the theory of surfaces, and also wrote many papers on the history of mathematics.