TY  - JOUR
AU  - H. G. Ghazaryan
TI  - Addition of lower order terms preserving almost hypoellipticity of polynomials
JO  - Eurasian mathematical journal
PY  - 2013
SP  - 32
EP  - 52
VL  - 4
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EMJ_2013_4_3_a3/
LA  - en
ID  - EMJ_2013_4_3_a3
ER  -