Authors
Alina DYCHKO
Prof., DSc; Institute of energy saving and energy management, Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, Ukraine
Volodymyr KYSELOV
Prof., DSc; Taurida National V.I. Vernadsky University, Kyiv, Ukraine
Stefan ZAICHENKO
Prof., DSc; Institute of energy saving and energy management, Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, Ukraine