Viktor Gorbuzov
Department of mathematical analysis,
differential equations and algebra,
Faculty of Mathematics and Information Science,
Yanka Kupala State University of Grodno,
Ozeshko str. 22, Grodno,
Republic of Belarus, 230023
A. F. Pranevich
Grodno State university of J.Kupala.
230023, Belarus, Grodno,
Ogeshko st., 22
We consider the systems of equations in total differentials with R-differentiable right hand side. The necessary conditions and criteria for the existence of R-differentiable first integrals, partial integrals and last multipliers are given.