TY  - JOUR
AU  - I. B. Ledovskaya
TI  - The higher order approximations of N.\,N.~Bogoljubov and N.\,M.~Krylov for solutions bounded on the whole axis
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 538
EP  - 541
VL  - 184
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_184_3_a7/
LA  - ru
ID  - DAN_1969_184_3_a7
ER  -