TY  - JOUR
AU  - S. L. Ziglin
TI  - The integrability by quadratures of variational equations in systems with a~complementary first integral
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2005
SP  - 802
EP  - 803
VL  - 60
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_2005_60_4_a12/
LA  - en
ID  - RM_2005_60_4_a12
ER  -