Klishchuk Bogdan Anatol'evich

Publications in Math-Net.Ru

1. Lower bounds for the area of the image of a circle
   
   Ufimsk. Mat. Zh., 9:2 (2017),  56–62
2. A extremal problem for the areas of images of disks
   
   Zap. Nauchn. Sem. POMI, 456 (2017),  160–171