TY  - JOUR
AU  - Natalia Neagu
AU  - Victor Orlov
AU  - Mihail Popa
TI  - Invariant conditions of stability of unperturbed motion governed by critical differential systems $s(1,2,3)$
JO  - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
PY  - 2019
SP  - 137
EP  - 153
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BASM_2019_2_a8/
LA  - en
ID  - BASM_2019_2_a8
ER  -