Complex Analysis Electronic Course in Nomotex DLS Yury I. Dimitrienko, Oleg D. Algazin, Oksana V. Skudneva, Julia V. Ozhgibisova, Raisa K. Alesina and Alexander V. Alesin ITM Web Conf., 35 (2020) 03011 Published online: 09 December 2020 DOI: 10.1051/itmconf/20203503011