00651naa#a2200181#i#450# EN\\bibl\16580 20240514074647.2 2071-7318 20170525b2017####ek#y0engy0150####ca RU SOLAR COLLECTOR IN THE SYSTEMS OF ENERGY SAVING Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2017 3 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Polyakov Viktor Alekseevich Begday Stanislav Nikolaevich bulletinbstu.editorum.ru