TY  - JOUR
AU  - A. A. Oshemkov
AU  - M. A. Tuzhilin
TI  - Integrable perturbations of saddle singularities of rank~0 of integrable Hamiltonian systems
JO  - Sbornik. Mathematics
PY  - 2018
SP  - 1351
EP  - 1375
VL  - 209
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2018_209_9_a4/
LA  - en
ID  - SM_2018_209_9_a4
ER  -