Tumka Oleg Anatol'evich

Publications in Math-Net.Ru

1. Families of embedded methods of order six
   
   Vestnik S.-Petersburg Univ. Ser. 10. Prikl. Mat. Inform. Prots. Upr., 18:2 (2022),  285–296
2. Constants in Jackson-type inequations for the best approximation of periodic differentiable functions
   
   Vestnik S.-Petersburg Univ. Ser. 10. Prikl. Mat. Inform. Prots. Upr., 2015, no. 1,  33–41
3. On some modifications of Jackson's generalized theorem for the best approximations of periodic functions
   
   Vestnik S.-Petersburg Univ. Ser. 10. Prikl. Mat. Inform. Prots. Upr., 2014, no. 1,  40–50