Additive and semi-additive set functions, integrals, Boolean algebra
Main publications:
V. A. Popov, “Additive and semiadditive functions on Boolean algebras”, Sib. Mat. Zh., 17:2 (1976), 258–264
V. A. Popov, “Scientific foundations for implementing a new conception of teaching analysis at school”, Didactics of Mathematics. Wroclaw (Polsha), 2005, № 6, 55–62