Nikolay Pavlovich Erugin (14.05.1907, stanitsa Proletarskaya, Rostov region, Russia – 12.02.1990), mathematician. Academician of the National Academy of Sciences of Belarus (1956), Doctor of Physico-Mathematical Sciences (1943), Professor (1944). Hero of Socialist Labor (1969). Honored Scientist of the BSSR (1967). Member of the Great Patriotic War.
Works on the theory of linear differential systems, analytical and qualitative theory of differential equations of the theory of stability, the history of mathematics and mechanics. Solved the Poincaré problem, the Riemann problem for n = 2 and m = 3, found a way to construct functionally invariant solutions of wave and other partial differential equations, constructed a theory of reducible systems and the theory of moving singular points of a system of two differential equations. In algorithmic form, he gave the solution of mixed problems for some second-order equations and partial derivatives.
Author of more than 80 scientific papers, incl. 4 monographs, documentary story "About those who survived" (1961; 2 ed., 1989).
State Prize of the USSR in 1951 for work on the theory of sustainability.
Awarded with the Order of Lenin (1969), the October Revolution (1977), the Labor Red Banner (1967), World War of the II degree (1944), "Badge of Honor" (1950), medals.