INVESTIGATION OF OPERATING MODES OF CIRCUITS WITH EXPANDER-GENERATOR UNITS IN COGENERATION BOILERS WITH GAS-PISTON INTERNAL COMBUSTION ENGINES
Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ Ènergetika/Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Ènergetika