Boris Pavlovich Demidovich (1906–1977) was a Soviet mathematician specializing in ordinary differential equations and dynamical systems. He was a professor at the elite Lomonosov Moscow State University (MGU), specifically within the Faculty of Physics and Mechanics.
Extensive techniques for indefinite and definite integrals (including improper integrals). Multivariable Calculus: demidovich calculus
Covers everything from limits and single-variable calculus to multiple integrals, field theory, and differential equations. Internet Archive 🗂️ Core Topics Covered dx$. Demidovich gives you 40
The key difference is Berman gives you 10 integrals of type $\int \sin^2 x \cos^3 x , dx$. Demidovich gives you 40, each with a slightly different exponent parity, forcing you to derive the reduction formula yourself. demidovich calculus