TY  - JOUR
AU  - Bouzid Mansouri
AU  - Abdelouaheb Ardjouni
AU  - Ahcene Djoudi
TI  - Existence of positive periodic solutions for fourth-order nonlinear neutral differential equations with variable coefficients
JO  - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
PY  - 2019
SP  - 10
EP  - 21
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BASM_2019_3_a1/
LA  - en
ID  - BASM_2019_3_a1
ER  -