Higher Mathematics (Differention of several variables functions) : лекції / Y. I. Savchuk, L. M. Shegda, L. I. Kryshtopa, N. O. Shkolna. - Івано-Франківськ : ІФНТУНГ, 2011. - 95 c.
The offered compendium of lectures is considered to help foreign students training professon 6.050304 „Oil and Gas Producing Industry" to learn and stady how to do sums from the course of differential calculation of functions of several variables, to learn to apply the differential calculation to important practical tasks. The theory is given with figures, sums samples.