EXISTENCE OF POSITIVE PERIODIC SOLUTIONS FOR TWO KINDS OF NONLINEAR NEUTRAL DIFFERENCE EQUATIONS WITH VARIABLE DELAY Vol. 3(1) Jan 2015, No. 6, pp. 66-76 ABDELOUAHEB ARDJOUNI, AHCENE DJOUDI

(2015). EXISTENCE OF POSITIVE PERIODIC SOLUTIONS FOR TWO KINDS OF NONLINEAR NEUTRAL DIFFERENCE EQUATIONS WITH VARIABLE DELAY Vol. 3(1) Jan 2015, No. 6, pp. 66-76 ABDELOUAHEB ARDJOUNI, AHCENE DJOUDI. Electronic Journal of Mathematical Analysis and Applications, 3(1), -. doi: 10.21608/ejmaa.2015.310696

. "EXISTENCE OF POSITIVE PERIODIC SOLUTIONS FOR TWO KINDS OF NONLINEAR NEUTRAL DIFFERENCE EQUATIONS WITH VARIABLE DELAY Vol. 3(1) Jan 2015, No. 6, pp. 66-76 ABDELOUAHEB ARDJOUNI, AHCENE DJOUDI", Electronic Journal of Mathematical Analysis and Applications, 3, 1, 2015, -. doi: 10.21608/ejmaa.2015.310696

(2015). 'EXISTENCE OF POSITIVE PERIODIC SOLUTIONS FOR TWO KINDS OF NONLINEAR NEUTRAL DIFFERENCE EQUATIONS WITH VARIABLE DELAY Vol. 3(1) Jan 2015, No. 6, pp. 66-76 ABDELOUAHEB ARDJOUNI, AHCENE DJOUDI', Electronic Journal of Mathematical Analysis and Applications, 3(1), pp. -. doi: 10.21608/ejmaa.2015.310696

EXISTENCE OF POSITIVE PERIODIC SOLUTIONS FOR TWO KINDS OF NONLINEAR NEUTRAL DIFFERENCE EQUATIONS WITH VARIABLE DELAY Vol. 3(1) Jan 2015, No. 6, pp. 66-76 ABDELOUAHEB ARDJOUNI, AHCENE DJOUDI. Electronic Journal of Mathematical Analysis and Applications, 2015; 3(1): -. doi: 10.21608/ejmaa.2015.310696