TY  - BOOK
TI  - Some questions on convergence of multiple Fourier series: Dissertation : by specialty A.01.01 "Mathematical Analysis" for the degree of candidate of physica and mathematical sciences 
PY  - 2020///
CY  - Yerevan :   
PB  - [S. n.], 
N1  - Scientific supervisor doctor of physical and mathematical sciences, professor M.G. Grigoryan
ER  -