Search results for: Fenglong Sun
Boundary Value Problems > 2019 > 2019 > 1 > 1-18
Journal of Mathematical Analysis and Applications > 2018 > 458 > 1 > 9-20
Boundary Value Problems > 2019 > 2019 > 1 > 1-18
Journal of Mathematical Analysis and Applications > 2018 > 458 > 1 > 9-20