TY  - JOUR
AU  - U. I. Nikitin
AU  - A. N. Saharov
TI  - Special trigonometric series in the problem of periodic solutions
JO  - Taurida Journal of Computer Science Theory and Mathematics
PY  - 2020
SP  - 61
EP  - 75
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TVIM_2020_2_a3/
LA  - ru
ID  - TVIM_2020_2_a3
ER  -