@article{Popova2015non-standard,
author={Popova, A.. and Buterus, N..},
title={Non-standard approach to the study of the theory of functions of a complex variable},
journal={Actual directions of scientific researches of the XXI century: theory and practice},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2015},
pages={360-363},
volume={3},
issue={5},
}