TY  - JOUR
AU  - A. A. Gainetdinova
AU  - R. K. Gazizov
TI  - Integration of systems of two second-order ordinary differential equations with a small parameter that admit four essential operators
JO  - Sibirskie èlektronnye matematičeskie izvestiâ
PY  - 2020
SP  - 604
EP  - 614
VL  - 17
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SEMR_2020_17_a90/
LA  - en
ID  - SEMR_2020_17_a90
ER  -