Why did Russia develop a mini-tank that was never subsequently brought into service? - Russia Beyond
Object 287, a Soviet prototype light tank armed with two of the same 73mm low-pressure guns as the BMP-1 with a pop-up ATGM launcher in the middle : r/WorldofTanksConsole
Obiekt 279 - Wikipedia
Why did Russia develop a mini-tank that was never subsequently brought into service? - Russia Beyond
Object 279: Russia's (Almost) Heavy Tank That NATO Would Have Dreaded Fighting | The National Interest