Method of lower - upper solutions of fractional differential equations with initial time difference and applications
2017 ◽
Vol 36
(1)
◽
pp. 49-77
◽
2018 ◽
Vol 21
(1)
◽
pp. 72-93
◽
2017 ◽
Vol 42
◽
pp. 106-120
◽
2019 ◽
Vol 39
(1)
◽
2019 ◽