Functional Analysis and Its Applications
Functional Analysis and Its Applications > 2010 > 44 > 3 > 230-233
Functional Analysis and Its Applications > 2017 > 51 > 4 > 318-321
Functional Analysis and Its Applications > 2018 > 52 > 1 > 62-65
Functional Analysis and Its Applications > 2018 > 52 > 2 > 139-143
Functional Analysis and Its Applications > 2019 > 53 > 3 > 224-228